20113121323010 has 64 divisors (see below), whose sum is σ = 39563476963200. Its totient is φ = 7332804057600.

The previous prime is 20113121323007. The next prime is 20113121323021. The reversal of 20113121323010 is 1032312131102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4946876 + ... + 8043495.

It is an arithmetic number, because the mean of its divisors is an integer number (618179327550).

Almost surely, 2^{20113121323010} is an apocalyptic number.

20113121323010 is a deficient number, since it is larger than the sum of its proper divisors (19450355640190).

20113121323010 is a wasteful number, since it uses less digits than its factorization.

20113121323010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990707.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20113121323010 its reverse (1032312131102), we get a palindrome (21145433454112).

The spelling of 20113121323010 in words is "twenty trillion, one hundred thirteen billion, one hundred twenty-one million, three hundred twenty-three thousand, ten".