11210020121018 has 32 divisors (see below), whose sum is σ = 17212187670912. Its totient is φ = 5474135347200.

The previous prime is 11210020121017. The next prime is 11210020121039. The reversal of 11210020121018 is 81012102001211.

It is a happy number.

It is a super-2 number, since 2×11210020121018² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11210020121017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298350173 + ... + 298387743.

It is an arithmetic number, because the mean of its divisors is an integer number (537880864716).

Almost surely, 2^{11210020121018} is an apocalyptic number.

11210020121018 is a deficient number, since it is larger than the sum of its proper divisors (6002167549894).

11210020121018 is a wasteful number, since it uses less digits than its factorization.

11210020121018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57590.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 11210020121018 its reverse (81012102001211), we get a palindrome (92222122122229).

The spelling of 11210020121018 in words is "eleven trillion, two hundred ten billion, twenty million, one hundred twenty-one thousand, eighteen".