23112221212110 has 32 divisors (see below), whose sum is σ = 55473249530880. Its totient is φ = 6162823587488.

The previous prime is 23112221212079. The next prime is 23112221212127. The reversal of 23112221212110 is 1121212221132.

It is a super-2 number, since 2×23112221212110² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26780802 + ... + 27630341.

It is an arithmetic number, because the mean of its divisors is an integer number (1733539047840).

Almost surely, 2^{23112221212110} is an apocalyptic number.

23112221212110 is an abundant number, since it is smaller than the sum of its proper divisors (32361028318770).

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

23112221212110 is a wasteful number, since it uses less digits than its factorization.

23112221212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54425312.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 23112221212110 its reverse (1121212221132), we get a palindrome (24233433433242).

The spelling of 23112221212110 in words is "twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred ten".