20211012120102 has 8 divisors (see below), whose sum is σ = 40422024240216. Its totient is φ = 6737004040032.

The previous prime is 20211012120067. The next prime is 20211012120109. The reversal of 20211012120102 is 20102121011202.

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

20211012120102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211012120109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684251010003 + ... + 1684251010014.

It is an arithmetic number, because the mean of its divisors is an integer number (5052753030027).

Almost surely, 2^{20211012120102} is an apocalyptic number.

20211012120102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20211012120102 is a wasteful number, since it uses less digits than its factorization.

20211012120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368502020022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211012120102 its reverse (20102121011202), we get a palindrome (40313133131304).

The spelling of 20211012120102 in words is "twenty trillion, two hundred eleven billion, twelve million, one hundred twenty thousand, one hundred two".