2021010111102 has 8 divisors (see below), whose sum is σ = 4042020222216. Its totient is φ = 673670037032.

The previous prime is 2021010111083. The next prime is 2021010111163. The reversal of 2021010111102 is 2011110101202.

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

2021010111102 is an admirable number.

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, 168417509253 + ... + 168417509264.

It is an arithmetic number, because the mean of its divisors is an integer number (505252527777).

Almost surely, 2^{2021010111102} is an apocalyptic number.

2021010111102 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.

2021010111102 is a wasteful number, since it uses less digits than its factorization.

2021010111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336835018522.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2021010111102 its reverse (2011110101202), we get a palindrome (4032120212304).

The spelling of 2021010111102 in words is "two trillion, twenty-one billion, ten million, one hundred eleven thousand, one hundred two".