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10101222011111 = 711131184701443
BaseRepresentation
bin1001001011111101111110…
…1111111111000011100111
31022202200000112022012011212
42102333133233333003213
52310444300313323421
633252234244022035
72061534461264360
oct222773757770347
938680015265155
1010101222011111
1132449a453a160
12117182699191b
13583705b9805a
1426cc8a5acb67
15127b515b4e5b
hex92fdfbff0e7

10101222011111 has 8 divisors (see below), whose sum is σ = 12593731338624. Its totient is φ = 7871082086520.

The previous prime is 10101222011087. The next prime is 10101222011113. The reversal of 10101222011111 is 11111022210101.

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

It is a cyclic number.

It is not a de Polignac number, because 10101222011111 - 26 = 10101222011047 is a prime.

It is a super-2 number, since 2×101012220111112 (a number of 27 digits) contains 22 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 (10101222011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65592350645 + ... + 65592350798.

It is an arithmetic number, because the mean of its divisors is an integer number (1574216417328).

Almost surely, 210101222011111 is an apocalyptic number.

10101222011111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10101222011111 is a deficient number, since it is larger than the sum of its proper divisors (2492509327513).

10101222011111 is a wasteful number, since it uses less digits than its factorization.

10101222011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131184701461.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10101222011111 its reverse (11111022210101), we get a palindrome (21212244221212).

The spelling of 10101222011111 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, eleven thousand, one hundred eleven".

Divisors: 1 7 11 77 131184701443 918292910101 1443031715873 10101222011111