2101012210 has 32 divisors (see below), whose sum is σ = 4342766400. Its totient is φ = 723792960.

The previous prime is 2101012183. The next prime is 2101012217. The reversal of 2101012210 is 122101012.

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 (2101012217) 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, 500545 + ... + 504724.

It is an arithmetic number, because the mean of its divisors is an integer number (135711450).

Almost surely, 2^2101012210 is an apocalyptic number.

2101012210 is an abundant number, since it is smaller than the sum of its proper divisors (2241754190).

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

2101012210 is a wasteful number, since it uses less digits than its factorization.

2101012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005306.

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

The square root of 2101012210 is about 45836.7997355836. The cubic root of 2101012210 is about 1280.7848803576.

Adding to 2101012210 its reverse (122101012), we get a palindrome (2223113222).

The spelling of 2101012210 in words is "two billion, one hundred one million, twelve thousand, two hundred ten".