121022212021122 has 32 divisors (see below), whose sum is σ = 249877491609600. Its totient is φ = 39035488401360.

The previous prime is 121022212021111. The next prime is 121022212021127. The reversal of 121022212021122 is 221120212220121.

It is not an unprimeable number, because it can be changed into a prime (121022212021127) 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, 30939622 + ... + 34630977.

It is an arithmetic number, because the mean of its divisors is an integer number (7808671612800).

Almost surely, 2^{121022212021122} is an apocalyptic number.

121022212021122 is an abundant number, since it is smaller than the sum of its proper divisors (128855279588478).

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

121022212021122 is a wasteful number, since it uses less digits than its factorization.

121022212021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65580558.

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

Adding to 121022212021122 its reverse (221120212220121), we get a palindrome (342142424241243).

The spelling of 121022212021122 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred twenty-two".