102211122012 has 12 divisors (see below), whose sum is σ = 238492618056. Its totient is φ = 34070374000.

The previous prime is 102211122001. The next prime is 102211122023. The reversal of 102211122012 is 210221112201.

It is an interprime number because it is at equal distance from previous prime (102211122001) and next prime (102211122023).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102211122012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211121982 and 102211122000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258796739 + ... + 4258796762.

It is an arithmetic number, because the mean of its divisors is an integer number (19874384838).

Almost surely, 2^102211122012 is an apocalyptic number.

102211122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102211122012 is an abundant number, since it is smaller than the sum of its proper divisors (136281496044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102211122012 is a wasteful number, since it uses less digits than its factorization.

102211122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517593508 (or 8517593506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102211122012 its reverse (210221112201), we get a palindrome (312432234213).

It can be divided in two parts, 10221112201 and 2, that multiplied together give a palindrome (20442224402).

The spelling of 102211122012 in words is "one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, twelve".