2011111120122 has 64 divisors (see below), whose sum is σ = 4471871093760. Its totient is φ = 598772736000.

The previous prime is 2011111120111. The next prime is 2011111120157. The reversal of 2011111120122 is 2210211111102.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23171904 + ... + 23258532.

It is an arithmetic number, because the mean of its divisors is an integer number (69872985840).

Almost surely, 2^{2011111120122} is an apocalyptic number.

2011111120122 is an abundant number, since it is smaller than the sum of its proper divisors (2460759973638).

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

2011111120122 is a wasteful number, since it uses less digits than its factorization.

2011111120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96279.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2011111120122 its reverse (2210211111102), we get a palindrome (4221322231224).

The spelling of 2011111120122 in words is "two trillion, eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-two".