20120210010111 has 16 divisors (see below), whose sum is σ = 27194975741024. Its totient is φ = 13229466061824.

The previous prime is 20120210010037. The next prime is 20120210010161. The reversal of 20120210010111 is 11101001202102.

It is a de Polignac number, because none of the positive numbers 2^k-20120210010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120210010161) 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, 10546365 + ... + 12307161.

It is an arithmetic number, because the mean of its divisors is an integer number (1699685983814).

Almost surely, 2^{20120210010111} is an apocalyptic number.

20120210010111 is a deficient number, since it is larger than the sum of its proper divisors (7074765730913).

20120210010111 is a wasteful number, since it uses less digits than its factorization.

20120210010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813050.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20120210010111 its reverse (11101001202102), we get a palindrome (31221211212213).

The spelling of 20120210010111 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, ten thousand, one hundred eleven".