201012222122111 has 32 divisors (see below), whose sum is σ = 209582437478400. Its totient is φ = 192675235420800.

The previous prime is 201012222122087. The next prime is 201012222122149. The reversal of 201012222122111 is 111221222210102.

It is not a de Polignac number, because 201012222122111 - 2²⁶ = 201012155013247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012222122191) 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, 1480761506 + ... + 1480897248.

It is an arithmetic number, because the mean of its divisors is an integer number (6549451171200).

Almost surely, 2^{201012222122111} is an apocalyptic number.

201012222122111 is a deficient number, since it is larger than the sum of its proper divisors (8570215356289).

201012222122111 is a wasteful number, since it uses less digits than its factorization.

201012222122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139679.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201012222122111 its reverse (111221222210102), we get a palindrome (312233444332213).

The spelling of 201012222122111 in words is "two hundred one trillion, twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".