121210220022 has 16 divisors (see below), whose sum is σ = 242424399360. Its totient is φ = 40402746792.

The previous prime is 121210219981. The next prime is 121210220081. The reversal of 121210220022 is 220022012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210219983 and 121210220010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362979 + ... + 611697.

It is an arithmetic number, because the mean of its divisors is an integer number (15151524960).

Almost surely, 2^121210220022 is an apocalyptic number.

121210220022 is an abundant number, since it is smaller than the sum of its proper divisors (121214179338).

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

121210220022 is a wasteful number, since it uses less digits than its factorization.

121210220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329947.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121210220022 its reverse (220022012121), we get a palindrome (341232232143).

The spelling of 121210220022 in words is "one hundred twenty-one billion, two hundred ten million, two hundred twenty thousand, twenty-two".