121222202022020 has 48 divisors (see below), whose sum is σ = 280256834088000. Its totient is φ = 43676389710720.

The previous prime is 121222202022007. The next prime is 121222202022067. The reversal of 121222202022020 is 20220202222121.

121222202022020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121222202021983 and 121222202022001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527544870 + ... + 2527592829.

It is an arithmetic number, because the mean of its divisors is an integer number (5838684043500).

Almost surely, 2^{121222202022020} is an apocalyptic number.

121222202022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222202022020 is an abundant number, since it is smaller than the sum of its proper divisors (159034632065980).

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

121222202022020 is a wasteful number, since it uses less digits than its factorization.

121222202022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055137828 (or 5055137826 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 121222202022020 its reverse (20220202222121), we get a palindrome (141442404244141).

The spelling of 121222202022020 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, twenty-two thousand, twenty".