10101111000012 has 36 divisors (see below), whose sum is σ = 25533467799840. Its totient is φ = 3367023301152.

The previous prime is 10101110999843. The next prime is 10101111000023. The reversal of 10101111000012 is 21000011110101.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101110999958 and 10101111000003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12502018 + ... + 13285430.

It is an arithmetic number, because the mean of its divisors is an integer number (709262994440).

Almost surely, 2^{10101111000012} is an apocalyptic number.

10101111000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101111000012 is an abundant number, since it is smaller than the sum of its proper divisors (15432356799828).

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

10101111000012 is a wasteful number, since it uses less digits than its factorization.

10101111000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141582 (or 1141577 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10101111000012 its reverse (21000011110101), we get a palindrome (31101122110113).

The spelling of 10101111000012 in words is "ten trillion, one hundred one billion, one hundred eleven million, twelve", and thus it is an aban number.