22200231231321 has 32 divisors (see below), whose sum is σ = 34951711310208. Its totient is φ = 12356665520640.

The previous prime is 22200231231313. The next prime is 22200231231361. The reversal of 22200231231321 is 12313213200222.

It is not a de Polignac number, because 22200231231321 - 2³ = 22200231231313 is a prime.

It is a super-2 number, since 2×22200231231321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22200231231291 and 22200231231300.

It is not an unprimeable number, because it can be changed into a prime (22200231231361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131257596 + ... + 131426621.

It is an arithmetic number, because the mean of its divisors is an integer number (1092240978444).

Almost surely, 2^{22200231231321} is an apocalyptic number.

It is an amenable number.

22200231231321 is a deficient number, since it is larger than the sum of its proper divisors (12751480078887).

22200231231321 is a wasteful number, since it uses less digits than its factorization.

22200231231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262684441.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22200231231321 its reverse (12313213200222), we get a palindrome (34513444431543).

The spelling of 22200231231321 in words is "twenty-two trillion, two hundred billion, two hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-one".