20101000212102 has 16 divisors (see below), whose sum is σ = 40204570907952. Its totient is φ = 6699904990080.

The previous prime is 20101000212019. The next prime is 20101000212127. The reversal of 20101000212102 is 20121200010102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107001823 + ... + 107189514.

It is an arithmetic number, because the mean of its divisors is an integer number (2512785681747).

Almost surely, 2^{20101000212102} is an apocalyptic number.

20101000212102 is an abundant number, since it is smaller than the sum of its proper divisors (20103570695850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101000212102 is a wasteful number, since it uses less digits than its factorization.

20101000212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214206983.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101000212102 its reverse (20121200010102), we get a palindrome (40222200222204).

The spelling of 20101000212102 in words is "twenty trillion, one hundred one billion, two hundred twelve thousand, one hundred two".