2100100110 has 32 divisors (see below), whose sum is σ = 5041446912. Its totient is φ = 559892640.

The previous prime is 2100100109. The next prime is 2100100127. The reversal of 2100100110 is 110010012.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233395 + ... + 242225.

It is an arithmetic number, because the mean of its divisors is an integer number (157545216).

Almost surely, 2^2100100110 is an apocalyptic number.

2100100110 is an abundant number, since it is smaller than the sum of its proper divisors (2941346802).

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

2100100110 is a wasteful number, since it uses less digits than its factorization.

2100100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16768.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 2100100110 is about 45826.8492261905. The cubic root of 2100100110 is about 1280.5995136769.

Adding to 2100100110 its reverse (110010012), we get a palindrome (2210110122).

The spelling of 2100100110 in words is "two billion, one hundred million, one hundred thousand, one hundred ten".