121055022 has 24 divisors (see below), whose sum is σ = 286130520. Its totient is φ = 36683280.

The previous prime is 121054993. The next prime is 121055027. The reversal of 121055022 is 220550121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121054986 and 121055004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121055027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305497 + ... + 305892.

It is an arithmetic number, because the mean of its divisors is an integer number (11922105).

Almost surely, 2^121055022 is an apocalyptic number.

121055022 is an abundant number, since it is smaller than the sum of its proper divisors (165075498).

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

121055022 is a wasteful number, since it uses less digits than its factorization.

121055022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611408 (or 611405 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 121055022 is about 11002.5007157464. The cubic root of 121055022 is about 494.6837036591.

The spelling of 121055022 in words is "one hundred twenty-one million, fifty-five thousand, twenty-two".