2011022110120 has 64 divisors (see below), whose sum is σ = 4567754436480. Its totient is φ = 796774653696.

The previous prime is 2011022110117. The next prime is 2011022110129. The reversal of 2011022110120 is 210112201102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011022110120.

It is not an unprimeable number, because it can be changed into a prime (2011022110129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32998317 + ... + 33059203.

It is an arithmetic number, because the mean of its divisors is an integer number (71371163070).

Almost surely, 2^{2011022110120} is an apocalyptic number.

2011022110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011022110120 is an abundant number, since it is smaller than the sum of its proper divisors (2556732326360).

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

2011022110120 is a wasteful number, since it uses less digits than its factorization.

2011022110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68722 (or 68718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011022110120 its reverse (210112201102), we get a palindrome (2221134311222).

The spelling of 2011022110120 in words is "two trillion, eleven billion, twenty-two million, one hundred ten thousand, one hundred twenty".