221441037101220 has 96 divisors (see below), whose sum is σ = 652775317649280. Its totient is φ = 55933827609600.

The previous prime is 221441037101203. The next prime is 221441037101279. The reversal of 221441037101220 is 22101730144122.

It is a super-2 number, since 2×221441037101220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8964097 + ... + 22874376.

It is an arithmetic number, because the mean of its divisors is an integer number (6799742892180).

Almost surely, 2^{221441037101220} is an apocalyptic number.

221441037101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221441037101220 is an abundant number, since it is smaller than the sum of its proper divisors (431334280548060).

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

221441037101220 is a wasteful number, since it uses less digits than its factorization.

221441037101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31844605 (or 31844603 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 221441037101220 its reverse (22101730144122), we get a palindrome (243542767245342).

The spelling of 221441037101220 in words is "two hundred twenty-one trillion, four hundred forty-one billion, thirty-seven million, one hundred one thousand, two hundred twenty".