122201213211 has 96 divisors (see below), whose sum is σ = 225384726528. Its totient is φ = 61955133120.

The previous prime is 122201213209. The next prime is 122201213249. The reversal of 122201213211 is 112312102221.

122201213211 is a `hidden beast` number, since 1 + 2 + 220 + 121 + 321 + 1 = 666.

It is not a de Polignac number, because 122201213211 - 2¹ = 122201213209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122201213261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11948446 + ... + 11958668.

It is an arithmetic number, because the mean of its divisors is an integer number (2347757568).

Almost surely, 2^122201213211 is an apocalyptic number.

122201213211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122201213211 is a deficient number, since it is larger than the sum of its proper divisors (103183513317).

122201213211 is a wasteful number, since it uses less digits than its factorization.

122201213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661 (or 10658 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122201213211 its reverse (112312102221), we get a palindrome (234513315432).

The spelling of 122201213211 in words is "one hundred twenty-two billion, two hundred one million, two hundred thirteen thousand, two hundred eleven".