101111020120012 has 48 divisors (see below), whose sum is σ = 206044332463872. Its totient is φ = 42514285544640.

The previous prime is 101111020119997. The next prime is 101111020120027. The reversal of 101111020120012 is 210021020111101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101111020119997) and next prime (101111020120027).

It is a junction number, because it is equal to n+sod(n) for n = 101111020119974 and 101111020120001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44605687 + ... + 46817617.

It is an arithmetic number, because the mean of its divisors is an integer number (4292590259664).

Almost surely, 2^{101111020120012} is an apocalyptic number.

It is an amenable number.

101111020120012 is an abundant number, since it is smaller than the sum of its proper divisors (104933312343860).

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

101111020120012 is a wasteful number, since it uses less digits than its factorization.

101111020120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242798 (or 2242796 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101111020120012 its reverse (210021020111101), we get a palindrome (311132040231113).

The spelling of 101111020120012 in words is "one hundred one trillion, one hundred eleven billion, twenty million, one hundred twenty thousand, twelve".