202201102101220 has 48 divisors (see below), whose sum is σ = 428551629105600. Its totient is φ = 80132116648320.

The previous prime is 202201102101217. The next prime is 202201102101227. The reversal of 202201102101220 is 22101201102202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202201102101194 and 202201102101203.

It is not an unprimeable number, because it can be changed into a prime (202201102101227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24130515 + ... + 31411525.

It is an arithmetic number, because the mean of its divisors is an integer number (8928158939700).

Almost surely, 2^{202201102101220} is an apocalyptic number.

202201102101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201102101220 is an abundant number, since it is smaller than the sum of its proper divisors (226350527004380).

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

202201102101220 is a wasteful number, since it uses less digits than its factorization.

202201102101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293868 (or 7293866 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202201102101220 its reverse (22101201102202), we get a palindrome (224302303203422).

The spelling of 202201102101220 in words is "two hundred two trillion, two hundred one billion, one hundred two million, one hundred one thousand, two hundred twenty".