20210001120102 has 32 divisors (see below), whose sum is σ = 42180262610688. Its totient is φ = 6443330158496.

The previous prime is 20210001120013. The next prime is 20210001120143. The reversal of 20210001120102 is 20102110001202.

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, 2941713 + ... + 7005260.

It is an arithmetic number, because the mean of its divisors is an integer number (1318133206584).

Almost surely, 2^{20210001120102} is an apocalyptic number.

20210001120102 is an abundant number, since it is smaller than the sum of its proper divisors (21970261490586).

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

20210001120102 is a wasteful number, since it uses less digits than its factorization.

20210001120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961724.

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

Adding to 20210001120102 its reverse (20102110001202), we get a palindrome (40312111121304).

The spelling of 20210001120102 in words is "twenty trillion, two hundred ten billion, one million, one hundred twenty thousand, one hundred two".