2021110102011 has 128 divisors (see below), whose sum is σ = 3707436902400. Its totient is φ = 965125324800.

The previous prime is 2021110102007. The next prime is 2021110102031. The reversal of 2021110102011 is 1102010111202.

It is not a de Polignac number, because 2021110102011 - 2² = 2021110102007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021110102001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35433931 + ... + 35490923.

It is an arithmetic number, because the mean of its divisors is an integer number (28964350800).

Almost surely, 2^{2021110102011} is an apocalyptic number.

2021110102011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2021110102011 is a deficient number, since it is larger than the sum of its proper divisors (1686326800389).

2021110102011 is a wasteful number, since it uses less digits than its factorization.

2021110102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57282 (or 57268 counting only the distinct ones).

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

Adding to 2021110102011 its reverse (1102010111202), we get a palindrome (3123120213213).

The spelling of 2021110102011 in words is "two trillion, twenty-one billion, one hundred ten million, one hundred two thousand, eleven".