20102112101102 has 16 divisors (see below), whose sum is σ = 31757703436800. Its totient is φ = 9516795170040.

The previous prime is 20102112101087. The next prime is 20102112101111. The reversal of 20102112101102 is 20110121120102.

It is a super-2 number, since 2×20102112101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 145983902 + ... + 146121537.

It is an arithmetic number, because the mean of its divisors is an integer number (1984856464800).

Almost surely, 2^{20102112101102} is an apocalyptic number.

20102112101102 is a deficient number, since it is larger than the sum of its proper divisors (11655591335698).

20102112101102 is a wasteful number, since it uses less digits than its factorization.

20102112101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292107271.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20102112101102 its reverse (20110121120102), we get a palindrome (40212233221204).

The spelling of 20102112101102 in words is "twenty trillion, one hundred two billion, one hundred twelve million, one hundred one thousand, one hundred two".