2111001122118 has 64 divisors (see below), whose sum is σ = 4992084587520. Its totient is φ = 582280406400.

The previous prime is 2111001122117. The next prime is 2111001122239. The reversal of 2111001122118 is 8112211001112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2111001122094 and 2111001122103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111001122117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11431903 + ... + 11615093.

It is an arithmetic number, because the mean of its divisors is an integer number (78001321680).

Almost surely, 2^{2111001122118} is an apocalyptic number.

2111001122118 is an abundant number, since it is smaller than the sum of its proper divisors (2881083465402).

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

2111001122118 is a wasteful number, since it uses less digits than its factorization.

2111001122118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192693.

The product of its (nonzero) digits is 64, while the sum is 21.

The spelling of 2111001122118 in words is "two trillion, one hundred eleven billion, one million, one hundred twenty-two thousand, one hundred eighteen".