121112020022 has 24 divisors (see below), whose sum is σ = 213506773704. Its totient is φ = 51370042752.

The previous prime is 121112019989. The next prime is 121112020027. The reversal of 121112020022 is 220020211121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121112019979 and 121112020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112020027) 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, 6360788 + ... + 6379799.

It is an arithmetic number, because the mean of its divisors is an integer number (8896115571).

Almost surely, 2^121112020022 is an apocalyptic number.

121112020022 is a deficient number, since it is larger than the sum of its proper divisors (92394753682).

121112020022 is a wasteful number, since it uses less digits than its factorization.

121112020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740700 (or 12740693 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121112020022 its reverse (220020211121), we get a palindrome (341132231143).

The spelling of 121112020022 in words is "one hundred twenty-one billion, one hundred twelve million, twenty thousand, twenty-two".