201012212220111 has 24 divisors (see below), whose sum is σ = 301105725757200. Its totient is φ = 134007690727872.

The previous prime is 201012212220077. The next prime is 201012212220119. The reversal of 201012212220111 is 111022212210102.

201012212220111 is a `hidden beast` number, since 20 + 101 + 2 + 212 + 220 + 111 = 666.

It is not a de Polignac number, because 201012212220111 - 2¹¹ = 201012212218063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012212220119) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 81026965 + ... + 83470913.

It is an arithmetic number, because the mean of its divisors is an integer number (12546071906550).

Almost surely, 2^{201012212220111} is an apocalyptic number.

201012212220111 is a deficient number, since it is larger than the sum of its proper divisors (100093513537089).

201012212220111 is an equidigital number, since it uses as much as digits as its factorization.

201012212220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782437 (or 2782425 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201012212220111 its reverse (111022212210102), we get a palindrome (312034424430213).

The spelling of 201012212220111 in words is "two hundred one trillion, twelve billion, two hundred twelve million, two hundred twenty thousand, one hundred eleven".