221023113300 has 162 divisors, whose sum is σ = 761490962414. Its totient is φ = 53581334400.

The previous prime is 221023113287. The next prime is 221023113403. The reversal of 221023113300 is 3311320122.

221023113300 is a `hidden beast` number, since 2 + 21 + 0 + 2 + 311 + 330 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2302272324 + 218720840976 = 47982^2 + 467676^2 .

It is a super-2 number, since 2×221023113300² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 905899 + ... + 1123698.

Almost surely, 2^221023113300 is an apocalyptic number.

221023113300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221023113300 is an abundant number, since it is smaller than the sum of its proper divisors (540467849114).

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

221023113300 is a wasteful number, since it uses less digits than its factorization.

221023113300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029639 (or 2029618 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 221023113300 its reverse (3311320122), we get a palindrome (224334433422).

The spelling of 221023113300 in words is "two hundred twenty-one billion, twenty-three million, one hundred thirteen thousand, three hundred".