920112121111001 has 64 divisors (see below), whose sum is σ = 1200709871370240. Its totient is φ = 685516290117120.

The previous prime is 920112121110997. The next prime is 920112121111081. The reversal of 920112121111001 is 100111121211029.

It is not a de Polignac number, because 920112121111001 - 2² = 920112121110997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (920112121111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17482085 + ... + 46323293.

It is an arithmetic number, because the mean of its divisors is an integer number (18761091740160).

Almost surely, 2^{920112121111001} is an apocalyptic number.

920112121111001 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

920112121111001 is a deficient number, since it is larger than the sum of its proper divisors (280597750259239).

920112121111001 is a wasteful number, since it uses less digits than its factorization.

920112121111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28841566.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 920112121111001 in words is "nine hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, one".