20101020100102 has 8 divisors (see below), whose sum is σ = 30185522858736. Its totient is φ = 10039179147192.

The previous prime is 20101020100067. The next prime is 20101020100127. The reversal of 20101020100102 is 20100102010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5665449213 + ... + 5665452760.

It is an arithmetic number, because the mean of its divisors is an integer number (3773190357342).

Almost surely, 2^{20101020100102} is an apocalyptic number.

20101020100102 is a deficient number, since it is larger than the sum of its proper divisors (10084502758634).

20101020100102 is a wasteful number, since it uses less digits than its factorization.

20101020100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330902862.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101020100102 its reverse (20100102010102), we get a palindrome (40201122110204).

Subtracting from 20101020100102 its reverse (20100102010102), we obtain a square (918090000 = 30300²).

The spelling of 20101020100102 in words is "twenty trillion, one hundred one billion, twenty million, one hundred thousand, one hundred two".