122101211122122 has 64 divisors (see below), whose sum is σ = 252734206233600. Its totient is φ = 39279676853760.

The previous prime is 122101211122069. The next prime is 122101211122123. The reversal of 122101211122122 is 221221112101221.

It is not an unprimeable number, because it can be changed into a prime (122101211122123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6792070398 + ... + 6792088374.

It is an arithmetic number, because the mean of its divisors is an integer number (3948971972400).

Almost surely, 2^{122101211122122} is an apocalyptic number.

122101211122122 is an abundant number, since it is smaller than the sum of its proper divisors (130632995111478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122101211122122 is a wasteful number, since it uses less digits than its factorization.

122101211122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32991.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122101211122122 its reverse (221221112101221), we get a palindrome (343322323223343).

The spelling of 122101211122122 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".