20100001010102 has 32 divisors (see below), whose sum is σ = 32597728466688. Its totient is φ = 9240221294496.

The previous prime is 20100001010077. The next prime is 20100001010119. The reversal of 20100001010102 is 20101010000102.

It is a super-2 number, since 2×20100001010102² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20100001010102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44653853 + ... + 45101735.

It is an arithmetic number, because the mean of its divisors is an integer number (1018679014584).

Almost surely, 2^{20100001010102} is an apocalyptic number.

20100001010102 is a deficient number, since it is larger than the sum of its proper divisors (12497727456586).

20100001010102 is a wasteful number, since it uses less digits than its factorization.

20100001010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454724.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100001010102 its reverse (20101010000102), we get a palindrome (40201011010204).

The spelling of 20100001010102 in words is "twenty trillion, one hundred billion, one million, ten thousand, one hundred two".