20121120010110 has 64 divisors (see below), whose sum is σ = 55189715212800. Its totient is φ = 4599083356032.

The previous prime is 20121120010081. The next prime is 20121120010129. The reversal of 20121120010110 is 1101002112102.

It is a super-2 number, since 2×20121120010110² (a number of 27 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 31 ways as a sum of consecutive naturals, for example, 60427156 + ... + 60759224.

It is an arithmetic number, because the mean of its divisors is an integer number (862339300200).

Almost surely, 2^{20121120010110} is an apocalyptic number.

20121120010110 is an abundant number, since it is smaller than the sum of its proper divisors (35068595202690).

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

20121120010110 is a wasteful number, since it uses less digits than its factorization.

20121120010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620625.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20121120010110 its reverse (1101002112102), we get a palindrome (21222122122212).

The spelling of 20121120010110 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty million, ten thousand, one hundred ten".