122211011011211 has 16 divisors (see below), whose sum is σ = 128537584570368. Its totient is φ = 116033595132000.

The previous prime is 122211011011183. The next prime is 122211011011307. The reversal of 122211011011211 is 112110110112221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122211011011211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122211011011211.

It is not an unprimeable number, because it can be changed into a prime (122211011011511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51962786 + ... + 54263736.

It is an arithmetic number, because the mean of its divisors is an integer number (8033599035648).

Almost surely, 2^{122211011011211} is an apocalyptic number.

122211011011211 is a deficient number, since it is larger than the sum of its proper divisors (6326573559157).

122211011011211 is a wasteful number, since it uses less digits than its factorization.

122211011011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333362.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122211011011211 its reverse (112110110112221), we get a palindrome (234321121123432).

The spelling of 122211011011211 in words is "one hundred twenty-two trillion, two hundred eleven billion, eleven million, eleven thousand, two hundred eleven".