2101100010 has 16 divisors (see below), whose sum is σ = 5042640096. Its totient is φ = 560293328.

The previous prime is 2101099999. The next prime is 2101100011. The reversal of 2101100010 is 100011012.

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

It is not an unprimeable number, because it can be changed into a prime (2101100011) 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, 35018304 + ... + 35018363.

It is an arithmetic number, because the mean of its divisors is an integer number (315165006).

Almost surely, 2^2101100010 is an apocalyptic number.

2101100010 is an abundant number, since it is smaller than the sum of its proper divisors (2941540086).

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

2101100010 is a wasteful number, since it uses less digits than its factorization.

2101100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70036677.

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

The square root of 2101100010 is about 45837.7574713249. The cubic root of 2101100010 is about 1280.8027211783.

Adding to 2101100010 its reverse (100011012), we get a palindrome (2201111022).

The spelling of 2101100010 in words is "two billion, one hundred one million, one hundred thousand, ten".