201220000022111 has 16 divisors (see below), whose sum is σ = 232699880448000. Its totient is φ = 170434482372000.

The previous prime is 201220000022101. The next prime is 201220000022201. The reversal of 201220000022111 is 111220000022102.

It is a de Polignac number, because none of the positive numbers 2^k-201220000022111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220000022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450661736 + ... + 451108013.

It is an arithmetic number, because the mean of its divisors is an integer number (14543742528000).

Almost surely, 2^{201220000022111} is an apocalyptic number.

201220000022111 is a deficient number, since it is larger than the sum of its proper divisors (31479880425889).

201220000022111 is a wasteful number, since it uses less digits than its factorization.

201220000022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901770134.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201220000022111 its reverse (111220000022102), we get a palindrome (312440000044213).

Subtracting from 201220000022111 its reverse (111220000022102), we obtain a palindrome (90000000000009).

The spelling of 201220000022111 in words is "two hundred one trillion, two hundred twenty billion, twenty-two thousand, one hundred eleven".