20201121011313 has 96 divisors (see below), whose sum is σ = 33748755131520. Its totient is φ = 11532204472320.

The previous prime is 20201121011299. The next prime is 20201121011321. The reversal of 20201121011313 is 31311012110202.

20201121011313 is a `hidden beast` number, since 20 + 201 + 121 + 0 + 11 + 313 = 666.

It is not a de Polignac number, because 20201121011313 - 2¹³ = 20201121003121 is a prime.

It is a super-2 number, since 2×20201121011313² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201121011353) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17231023 + ... + 18366011.

It is an arithmetic number, because the mean of its divisors is an integer number (351549532620).

Almost surely, 2^{20201121011313} is an apocalyptic number.

It is an amenable number.

20201121011313 is a deficient number, since it is larger than the sum of its proper divisors (13547634120207).

20201121011313 is a wasteful number, since it uses less digits than its factorization.

20201121011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135199 (or 1135196 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20201121011313 its reverse (31311012110202), we get a palindrome (51512133121515).

The spelling of 20201121011313 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, three hundred thirteen".