121110022202022 has 48 divisors (see below), whose sum is σ = 299913104793120. Its totient is φ = 34600368727296.

The previous prime is 121110022202021. The next prime is 121110022202027. The reversal of 121110022202022 is 220202220011121.

It is a happy number.

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 = 121110022201986 and 121110022202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110022202021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32894497 + ... + 36390492.

It is an arithmetic number, because the mean of its divisors is an integer number (6248189683190).

Almost surely, 2^{121110022202022} is an apocalyptic number.

121110022202022 is an abundant number, since it is smaller than the sum of its proper divisors (178803082591098).

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

121110022202022 is a wasteful number, since it uses less digits than its factorization.

121110022202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69298877 (or 69298874 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121110022202022 its reverse (220202220011121), we get a palindrome (341312242213143).

The spelling of 121110022202022 in words is "one hundred twenty-one trillion, one hundred ten billion, twenty-two million, two hundred two thousand, twenty-two".