11110120020121 has 32 divisors (see below), whose sum is σ = 12223347130368. Its totient is φ = 10064143024320.

The previous prime is 11110120020079. The next prime is 11110120020133. The reversal of 11110120020121 is 12102002101111.

It is a happy number.

It is not a de Polignac number, because 11110120020121 - 2²⁹ = 11109583149209 is a prime.

It is a super-2 number, since 2×11110120020121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110120027121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337338771 + ... + 337371703.

It is an arithmetic number, because the mean of its divisors is an integer number (381979597824).

Almost surely, 2^{11110120020121} is an apocalyptic number.

It is an amenable number.

11110120020121 is a deficient number, since it is larger than the sum of its proper divisors (1113227110247).

11110120020121 is a wasteful number, since it uses less digits than its factorization.

11110120020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43101.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11110120020121 its reverse (12102002101111), we get a palindrome (23212122121232).

The spelling of 11110120020121 in words is "eleven trillion, one hundred ten billion, one hundred twenty million, twenty thousand, one hundred twenty-one".