220323121100 has 36 divisors (see below), whose sum is σ = 478575228600. Its totient is φ = 88041864960.

The previous prime is 220323121099. The next prime is 220323121171. The reversal of 220323121100 is 1121323022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990890 + ... + 1192689.

It is an arithmetic number, because the mean of its divisors is an integer number (13293756350).

Almost surely, 2^220323121100 is an apocalyptic number.

220323121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220323121100 is an abundant number, since it is smaller than the sum of its proper divisors (258252107500).

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

220323121100 is a wasteful number, since it uses less digits than its factorization.

220323121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184602 (or 2184595 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220323121100 its reverse (1121323022), we get a palindrome (221444444122).

The spelling of 220323121100 in words is "two hundred twenty billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred".