221233211102220 has 96 divisors (see below), whose sum is σ = 621224224975872. Its totient is φ = 58827011916288.

The previous prime is 221233211102203. The next prime is 221233211102237. The reversal of 221233211102220 is 22201112332122.

It is an interprime number because it is at equal distance from previous prime (221233211102203) and next prime (221233211102237).

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, 37030039 + ... + 42587441.

It is an arithmetic number, because the mean of its divisors is an integer number (6471085676832).

Almost surely, 2^{221233211102220} is an apocalyptic number.

221233211102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221233211102220 is an abundant number, since it is smaller than the sum of its proper divisors (399991013873652).

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

221233211102220 is a wasteful number, since it uses less digits than its factorization.

221233211102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559311 (or 5559309 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221233211102220 its reverse (22201112332122), we get a palindrome (243434323434342).

The spelling of 221233211102220 in words is "two hundred twenty-one trillion, two hundred thirty-three billion, two hundred eleven million, one hundred two thousand, two hundred twenty".