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10022212222221 = 325977112860317
BaseRepresentation
bin1001000111010111101001…
…1001100011110100001101
31022111010002012110001110110
42101311322121203310031
52303200442312102341
633152050222030233
72053036522203543
oct221657231436415
938433065401413
1010022212222221
11321443a580371
12115a456718379
13579123c53994
14269113153d93
15125a79ee2216
hex91d7a663d0d

10022212222221 has 8 divisors (see below), whose sum is σ = 13363002109984. Its totient is φ = 6681448574640.

The previous prime is 10022212222207. The next prime is 10022212222279. The reversal of 10022212222221 is 12222221222001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10022212222221 - 213 = 10022212214029 is a prime.

It is a super-4 number, since 4×100222122222214 (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022212222621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5650846 + ... + 7209471.

It is an arithmetic number, because the mean of its divisors is an integer number (1670375263748).

Almost surely, 210022212222221 is an apocalyptic number.

It is an amenable number.

10022212222221 is a deficient number, since it is larger than the sum of its proper divisors (3340789887763).

10022212222221 is a wasteful number, since it uses less digits than its factorization.

10022212222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120091.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10022212222221 its reverse (12222221222001), we get a palindrome (22244433444222).

The spelling of 10022212222221 in words is "ten trillion, twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 259771 779313 12860317 38580951 3340737407407 10022212222221