2110021000 has 32 divisors (see below), whose sum is σ = 4937451480. Its totient is φ = 844008000.

The previous prime is 2110020967. The next prime is 2110021013. The reversal of 2110021000 is 1200112.

It can be written as a sum of positive squares in 4 ways, for example, as 401521444 + 1708499556 = 20038^2 + 41334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054011 + ... + 1056010.

Almost surely, 2^2110021000 is an apocalyptic number.

2110021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110021000 is an abundant number, since it is smaller than the sum of its proper divisors (2827430480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2110021000 is a wasteful number, since it uses less digits than its factorization.

2110021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110042 (or 2110028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2110021000 is about 45934.9648960354. The cubic root of 2110021000 is about 1282.6128674700.

Adding to 2110021000 its reverse (1200112), we get a palindrome (2111221112).

The spelling of 2110021000 in words is "two billion, one hundred ten million, twenty-one thousand".