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10022011220221 = 7211133001476603
BaseRepresentation
bin1001000111010110111001…
…1010110011000011111101
31022111002120012020002112221
42101311232122303003331
52303200034333021341
633152014241525341
72053031531544100
oct221655632630375
938432505202487
1010022011220221
113214347073610
12115a3bb343851
135790c14085a0
142690d4590737
15125a6753aed1
hex91d6e6b30fd

10022011220221 has 48 divisors (see below), whose sum is σ = 13701007631808. Its totient is φ = 7206222240000.

The previous prime is 10022011220149. The next prime is 10022011220323. The reversal of 10022011220221 is 12202211022001.

It is a happy number.

It is not a de Polignac number, because 10022011220221 - 27 = 10022011220093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10022011220195 and 10022011220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022012220221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20789706 + ... + 21266308.

It is an arithmetic number, because the mean of its divisors is an integer number (285437658996).

Almost surely, 210022011220221 is an apocalyptic number.

10022011220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10022011220221 is a deficient number, since it is larger than the sum of its proper divisors (3678996411587).

10022011220221 is a wasteful number, since it uses less digits than its factorization.

10022011220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479642 (or 479635 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10022011220221 its reverse (12202211022001), we get a palindrome (22224222242222).

The spelling of 10022011220221 in words is "ten trillion, twenty-two billion, eleven million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 11 13 49 77 91 143 539 637 1001 3001 7007 21007 33011 39013 147049 231077 273091 429143 476603 1617539 1911637 3004001 3336221 5242633 6195839 21028007 23353547 36698431 43370873 68154229 256889017 303596111 477079603 1430285603 3339557221 10011999221 15733141633 18593712839 70083994547 110131991431 130155989873 204530841229 770923940017 911091929111 1431715888603 10022011220221