20102111331093 has 24 divisors (see below), whose sum is σ = 31676296818816. Its totient is φ = 12183004468800.

The previous prime is 20102111331073. The next prime is 20102111331151. The reversal of 20102111331093 is 39013311120102.

20102111331093 is a `hidden beast` number, since 20 + 10 + 211 + 1 + 331 + 0 + 93 = 666.

It is not a de Polignac number, because 20102111331093 - 2¹⁴ = 20102111314709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102111331073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13538596 + ... + 14949842.

It is an arithmetic number, because the mean of its divisors is an integer number (1319845700784).

Almost surely, 2^{20102111331093} is an apocalyptic number.

It is an amenable number.

20102111331093 is a deficient number, since it is larger than the sum of its proper divisors (11574185487723).

20102111331093 is a wasteful number, since it uses less digits than its factorization.

20102111331093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555145 (or 1555142 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

Adding to 20102111331093 its reverse (39013311120102), we get a palindrome (59115422451195).

The spelling of 20102111331093 in words is "twenty trillion, one hundred two billion, one hundred eleven million, three hundred thirty-one thousand, ninety-three".