21122311310110 has 16 divisors (see below), whose sum is σ = 38211216444000. Its totient is φ = 8406467616096.

The previous prime is 21122311310071. The next prime is 21122311310123. The reversal of 21122311310110 is 1101311322112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5307111405 + ... + 5307115384.

It is an arithmetic number, because the mean of its divisors is an integer number (2388201027750).

Almost surely, 2^{21122311310110} is an apocalyptic number.

21122311310110 is a deficient number, since it is larger than the sum of its proper divisors (17088905133890).

21122311310110 is a wasteful number, since it uses less digits than its factorization.

21122311310110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10614226995.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 21122311310110 its reverse (1101311322112), we get a palindrome (22223622632222).

The spelling of 21122311310110 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred eleven million, three hundred ten thousand, one hundred ten".