122120021221122 has 64 divisors (see below), whose sum is σ = 271325486343168. Its totient is φ = 36468479232000.

The previous prime is 122120021221103. The next prime is 122120021221217. The reversal of 122120021221122 is 221122120021221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316373779 + ... + 316759542.

It is an arithmetic number, because the mean of its divisors is an integer number (4239460724112).

Almost surely, 2^{122120021221122} is an apocalyptic number.

122120021221122 is an abundant number, since it is smaller than the sum of its proper divisors (149205465122046).

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

122120021221122 is a wasteful number, since it uses less digits than its factorization.

122120021221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633133435.

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

Adding to 122120021221122 its reverse (221122120021221), we get a palindrome (343242141242343).

The spelling of 122120021221122 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".