2101202210 has 64 divisors (see below), whose sum is σ = 4305415680. Its totient is φ = 733409280.

The previous prime is 2101202203. The next prime is 2101202219. The reversal of 2101202210 is 122021012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101202191 and 2101202200.

It is not an unprimeable number, because it can be changed into a prime (2101202219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144890 + ... + 158730.

It is an arithmetic number, because the mean of its divisors is an integer number (67272120).

Almost surely, 2^2101202210 is an apocalyptic number.

2101202210 is an abundant number, since it is smaller than the sum of its proper divisors (2204213470).

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

2101202210 is a wasteful number, since it uses less digits than its factorization.

2101202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13931.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2101202210 is about 45838.8722592518. The cubic root of 2101202210 is about 1280.8234874301.

Adding to 2101202210 its reverse (122021012), we get a palindrome (2223223222).

The spelling of 2101202210 in words is "two billion, one hundred one million, two hundred two thousand, two hundred ten".