2021022110 has 32 divisors (see below), whose sum is σ = 3716280000. Its totient is φ = 791112960.

The previous prime is 2021022109. The next prime is 2021022119. The reversal of 2021022110 is 112201202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021022091 and 2021022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021022119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113066 + ... + 129714.

It is an arithmetic number, because the mean of its divisors is an integer number (116133750).

Almost surely, 2^2021022110 is an apocalyptic number.

2021022110 is a deficient number, since it is larger than the sum of its proper divisors (1695257890).

2021022110 is a wasteful number, since it uses less digits than its factorization.

2021022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16916.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2021022110 is about 44955.7794949659. The cubic root of 2021022110 is about 1264.3200395174.

Adding to 2021022110 its reverse (112201202), we get a palindrome (2133223312).

The spelling of 2021022110 in words is "two billion, twenty-one million, twenty-two thousand, one hundred ten".