102110311012 has 12 divisors (see below), whose sum is σ = 178717630896. Its totient is φ = 51048130760.

The previous prime is 102110311001. The next prime is 102110311021. The reversal of 102110311012 is 210113011201.

It is a happy number.

It is a super-2 number, since 2×102110311012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102110310983 and 102110311001.

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, 1723414 + ... + 1781677.

It is an arithmetic number, because the mean of its divisors is an integer number (14893135908).

Almost surely, 2^102110311012 is an apocalyptic number.

It is an amenable number.

102110311012 is a deficient number, since it is larger than the sum of its proper divisors (76607319884).

102110311012 is a wasteful number, since it uses less digits than its factorization.

102110311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512378 (or 3512376 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102110311012 its reverse (210113011201), we get a palindrome (312223322213).

The spelling of 102110311012 in words is "one hundred two billion, one hundred ten million, three hundred eleven thousand, twelve".