221320323141100 has 18 divisors (see below), whose sum is σ = 480265101216404. Its totient is φ = 88528129256400.

The previous prime is 221320323141059. The next prime is 221320323141167. The reversal of 221320323141100 is 1141323023122.

221320323141100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106601615606 + ... + 1106601615805.

Almost surely, 2^{221320323141100} is an apocalyptic number.

221320323141100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221320323141100 is an abundant number, since it is smaller than the sum of its proper divisors (258944778075304).

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

221320323141100 is a wasteful number, since it uses less digits than its factorization.

221320323141100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213203231425 (or 2213203231418 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 221320323141100 its reverse (1141323023122), we get a palindrome (222461646164222).

The spelling of 221320323141100 in words is "two hundred twenty-one trillion, three hundred twenty billion, three hundred twenty-three million, one hundred forty-one thousand, one hundred".