121021200200022 has 16 divisors (see below), whose sum is σ = 242191166492352. Its totient is φ = 40315605717960.

The previous prime is 121021200200011. The next prime is 121021200200023. The reversal of 121021200200022 is 220002002120121.

It is a super-2 number, since 2×121021200200022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021200199974 and 121021200200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021200200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198576604 + ... + 6198596127.

It is an arithmetic number, because the mean of its divisors is an integer number (15136947905772).

Almost surely, 2^{121021200200022} is an apocalyptic number.

121021200200022 is an abundant number, since it is smaller than the sum of its proper divisors (121169966292330).

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

121021200200022 is a wasteful number, since it uses less digits than its factorization.

121021200200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12397174363.

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

Adding to 121021200200022 its reverse (220002002120121), we get a palindrome (341023202320143).

The spelling of 121021200200022 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred million, two hundred thousand, twenty-two".