1010111010912 has 72 divisors (see below), whose sum is σ = 2908864052640. Its totient is φ = 332441591040.

The previous prime is 1010111010911. The next prime is 1010111010919. The reversal of 1010111010912 is 2190101110101.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111010911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22175539 + ... + 22221042.

It is an arithmetic number, because the mean of its divisors is an integer number (40400889620).

Almost surely, 2^{1010111010912} is an apocalyptic number.

1010111010912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010111010912 is an abundant number, since it is smaller than the sum of its proper divisors (1898753041728).

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

1010111010912 is a wasteful number, since it uses less digits than its factorization.

1010111010912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44396676 (or 44396665 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 1010111010912 in words is "one trillion, ten billion, one hundred eleven million, ten thousand, nine hundred twelve".