121202020100022 has 32 divisors (see below), whose sum is σ = 243388345200000. Its totient is φ = 40236833265408.

The previous prime is 121202020100017. The next prime is 121202020100071. The reversal of 121202020100022 is 220001020202121.

It is a super-2 number, since 2×121202020100022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121202020099974 and 121202020100010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24040072 + ... + 28641387.

It is an arithmetic number, because the mean of its divisors is an integer number (7605885787500).

Almost surely, 2^{121202020100022} is an apocalyptic number.

121202020100022 is an abundant number, since it is smaller than the sum of its proper divisors (122186325099978).

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

121202020100022 is a wasteful number, since it uses less digits than its factorization.

121202020100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52683020.

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

Adding to 121202020100022 its reverse (220001020202121), we get a palindrome (341203040302143).

The spelling of 121202020100022 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, one hundred thousand, twenty-two".