101011111020012 has 24 divisors (see below), whose sum is σ = 235693013817856. Its totient is φ = 33670310134608.

The previous prime is 101011111019969. The next prime is 101011111020041. The reversal of 101011111020012 is 210020111110101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 101011111020012.

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, 253888 + ... + 14215719.

Almost surely, 2^{101011111020012} is an apocalyptic number.

101011111020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101011111020012 is an abundant number, since it is smaller than the sum of its proper divisors (134681902797844).

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

101011111020012 is a wasteful number, since it uses less digits than its factorization.

101011111020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051357 (or 15051355 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101011111020012 its reverse (210020111110101), we get a palindrome (311031222130113).

The spelling of 101011111020012 in words is "one hundred one trillion, eleven billion, one hundred eleven million, twenty thousand, twelve".