121021022322220 has 24 divisors (see below), whose sum is σ = 254171901345264. Its totient is φ = 48403122363456.

The previous prime is 121021022322173. The next prime is 121021022322229. The reversal of 121021022322220 is 22223220120121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121021022322191 and 121021022322200.

It is not an unprimeable number, because it can be changed into a prime (121021022322229) 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, 330222622 + ... + 330588901.

It is an arithmetic number, because the mean of its divisors is an integer number (10590495889386).

Almost surely, 2^{121021022322220} is an apocalyptic number.

121021022322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121021022322220 is an abundant number, since it is smaller than the sum of its proper divisors (133150879023044).

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

121021022322220 is a wasteful number, since it uses less digits than its factorization.

121021022322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660820689 (or 660820687 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121021022322220 its reverse (22223220120121), we get a palindrome (143244242442341).

The spelling of 121021022322220 in words is "one hundred twenty-one trillion, twenty-one billion, twenty-two million, three hundred twenty-two thousand, two hundred twenty".