202221110221220 has 96 divisors (see below), whose sum is σ = 425981112480000. Its totient is φ = 80638110918144.

The previous prime is 202221110221217. The next prime is 202221110221241. The reversal of 202221110221220 is 22122011122202.

It is a super-5 number, since 5×202221110221220⁵ (a number of 73 digits) contains 55555 as substring.

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 = 202221110221192 and 202221110221201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29100746306 + ... + 29100753254.

It is an arithmetic number, because the mean of its divisors is an integer number (4437303255000).

Almost surely, 2^{202221110221220} is an apocalyptic number.

202221110221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221110221220 is an abundant number, since it is smaller than the sum of its proper divisors (223760002258780).

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

202221110221220 is a wasteful number, since it uses less digits than its factorization.

202221110221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677 (or 10675 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202221110221220 its reverse (22122011122202), we get a palindrome (224343121343422).

The spelling of 202221110221220 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty".