201202121012211 has 24 divisors (see below), whose sum is σ = 317048553768960. Its totient is φ = 121939607353200.

The previous prime is 201202121012197. The next prime is 201202121012219. The reversal of 201202121012211 is 112210121202102.

201202121012211 is a `hidden beast` number, since 20 + 120 + 212 + 101 + 2 + 211 = 666.

It is not a de Polignac number, because 201202121012211 - 2²² = 201202116817907 is a prime.

It is a super-2 number, since 2×201202121012211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201202121012219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2456926 + ... + 20209916.

It is an arithmetic number, because the mean of its divisors is an integer number (13210356407040).

Almost surely, 2^{201202121012211} is an apocalyptic number.

201202121012211 is a deficient number, since it is larger than the sum of its proper divisors (115846432756749).

201202121012211 is a wasteful number, since it uses less digits than its factorization.

201202121012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867487 (or 17867484 counting only the distinct ones).

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

Adding to 201202121012211 its reverse (112210121202102), we get a palindrome (313412242214313).

The spelling of 201202121012211 in words is "two hundred one trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, two hundred eleven".