223200131021 has 4 divisors (see below), whose sum is σ = 255085864032. Its totient is φ = 191314398012.

The previous prime is 223200130999. The next prime is 223200131027. The reversal of 223200131021 is 120131002322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223200131021 - 2⁶ = 223200130957 is a prime.

It is a super-3 number, since 3×223200131021³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223200131027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15942866495 + ... + 15942866508.

It is an arithmetic number, because the mean of its divisors is an integer number (63771466008).

Almost surely, 2^223200131021 is an apocalyptic number.

It is an amenable number.

223200131021 is a deficient number, since it is larger than the sum of its proper divisors (31885733011).

223200131021 is an equidigital number, since it uses as much as digits as its factorization.

223200131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31885733010.

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

Adding to 223200131021 its reverse (120131002322), we get a palindrome (343331133343).

The spelling of 223200131021 in words is "two hundred twenty-three billion, two hundred million, one hundred thirty-one thousand, twenty-one".