23112221210 has 64 divisors (see below), whose sum is σ = 45484038432. Its totient is φ = 8404217856.

The previous prime is 23112221201. The next prime is 23112221239. The reversal of 23112221210 is 1212221132.

It can be written as a sum of positive squares in 16 ways, for example, as 579509329 + 22532711881 = 24073^2 + 150109^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8321342 + ... + 8324118.

Almost surely, 2^23112221210 is an apocalyptic number.

23112221210 is a deficient number, since it is larger than the sum of its proper divisors (22371817222).

23112221210 is a wasteful number, since it uses less digits than its factorization.

23112221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23112221210 its reverse (1212221132), we get a palindrome (24324442342).

The spelling of 23112221210 in words is "twenty-three billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".