122122021022211 has 64 divisors (see below), whose sum is σ = 193003119525888. Its totient is φ = 67245827851008.

The previous prime is 122122021022167. The next prime is 122122021022257. The reversal of 122122021022211 is 112220120221221.

It is not a de Polignac number, because 122122021022211 - 2²¹ = 122122018925059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (122122021002211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13667151 + ... + 20761383.

It is an arithmetic number, because the mean of its divisors is an integer number (3015673742592).

Almost surely, 2^{122122021022211} is an apocalyptic number.

122122021022211 is a deficient number, since it is larger than the sum of its proper divisors (70881098503677).

122122021022211 is a wasteful number, since it uses less digits than its factorization.

122122021022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094560.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122122021022211 its reverse (112220120221221), we get a palindrome (234342141243432).

The spelling of 122122021022211 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred eleven".