2021112110 has 16 divisors (see below), whose sum is σ = 3638570976. Its totient is φ = 808318368.

The previous prime is 2021112103. The next prime is 2021112127. The reversal of 2021112110 is 112111202.

It is a super-2 number, since 2×2021112110² = 8169788322377304200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021112091 and 2021112100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77567 + ... + 100293.

It is an arithmetic number, because the mean of its divisors is an integer number (227410686).

Almost surely, 2^2021112110 is an apocalyptic number.

2021112110 is a deficient number, since it is larger than the sum of its proper divisors (1617458866).

2021112110 is a wasteful number, since it uses less digits than its factorization.

2021112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31627.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2021112110 is about 44956.7804674668. The cubic root of 2021112110 is about 1264.3388067729.

Adding to 2021112110 its reverse (112111202), we get a palindrome (2133223312).

The spelling of 2021112110 in words is "two billion, twenty-one million, one hundred twelve thousand, one hundred ten".