2101102210 has 32 divisors (see below), whose sum is σ = 3990798720. Its totient is φ = 794859648.

The previous prime is 2101102189. The next prime is 2101102217. The reversal of 2101102210 is 122011012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2101102217) 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, 30852 + ... + 71791.

It is an arithmetic number, because the mean of its divisors is an integer number (124712460).

Almost surely, 2^2101102210 is an apocalyptic number.

2101102210 is a deficient number, since it is larger than the sum of its proper divisors (1889696510).

2101102210 is a wasteful number, since it uses less digits than its factorization.

2101102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102762.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2101102210 is about 45837.7814690022. The cubic root of 2101102210 is about 1280.8031682084.

Adding to 2101102210 its reverse (122011012), we get a palindrome (2223113222).

The spelling of 2101102210 in words is "two billion, one hundred one million, one hundred two thousand, two hundred ten".