102111012102012 has 24 divisors (see below), whose sum is σ = 246474856798800. Its totient is φ = 32863314239616.

The previous prime is 102111012101951. The next prime is 102111012102037. The reversal of 102111012102012 is 210201210111201.

It is a happy number.

It is a super-2 number, since 2×102111012102012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102111012101982 and 102111012102000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146711223937 + ... + 146711224632.

It is an arithmetic number, because the mean of its divisors is an integer number (10269785699950).

Almost surely, 2^{102111012102012} is an apocalyptic number.

102111012102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102111012102012 is an abundant number, since it is smaller than the sum of its proper divisors (144363844696788).

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

102111012102012 is a wasteful number, since it uses less digits than its factorization.

102111012102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293422448605 (or 293422448603 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102111012102012 its reverse (210201210111201), we get a palindrome (312312222213213).

The spelling of 102111012102012 in words is "one hundred two trillion, one hundred eleven billion, twelve million, one hundred two thousand, twelve".