20101012102 has 8 divisors (see below), whose sum is σ = 30601541016. Its totient is φ = 9900498432.

The previous prime is 20101012097. The next prime is 20101012111. The reversal of 20101012102 is 20121010102.

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, 75003643 + ... + 75003910.

It is an arithmetic number, because the mean of its divisors is an integer number (3825192627).

Almost surely, 2^20101012102 is an apocalyptic number.

20101012102 is a deficient number, since it is larger than the sum of its proper divisors (10500528914).

20101012102 is a wasteful number, since it uses less digits than its factorization.

20101012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150007622.

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

Adding to 20101012102 its reverse (20121010102), we get a palindrome (40222022204).

The spelling of 20101012102 in words is "twenty billion, one hundred one million, twelve thousand, one hundred two".