2021110102 has 16 divisors (see below), whose sum is σ = 3322109952. Its totient is φ = 914564520.

The previous prime is 2021110099. The next prime is 2021110103. The reversal of 2021110102 is 2010111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021110103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201078 + ... + 210889.

It is an arithmetic number, because the mean of its divisors is an integer number (207631872).

Almost surely, 2^2021110102 is an apocalyptic number.

2021110102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021110102 is a deficient number, since it is larger than the sum of its proper divisors (1300999850).

2021110102 is a wasteful number, since it uses less digits than its factorization.

2021110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412203.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2021110102 is about 44956.7581349011. The cubic root of 2021110102 is about 1264.3383880606.

Adding to 2021110102 its reverse (2010111202), we get a palindrome (4031221304).

The spelling of 2021110102 in words is "two billion, twenty-one million, one hundred ten thousand, one hundred two".