2102201252 has 12 divisors (see below), whose sum is σ = 3680476800. Its totient is φ = 1050636456.

The previous prime is 2102201251. The next prime is 2102201261. The reversal of 2102201252 is 2521022012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102201252.

It is not an unprimeable number, because it can be changed into a prime (2102201251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105752 + ... + 124047.

It is an arithmetic number, because the mean of its divisors is an integer number (306706400).

Almost surely, 2^2102201252 is an apocalyptic number.

It is an amenable number.

2102201252 is a deficient number, since it is larger than the sum of its proper divisors (1578275548).

2102201252 is a wasteful number, since it uses less digits than its factorization.

2102201252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232090 (or 232088 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2102201252 is about 45849.7682873098. The cubic root of 2102201252 is about 1281.0264496051.

Adding to 2102201252 its reverse (2521022012), we get a palindrome (4623223264).

The spelling of 2102201252 in words is "two billion, one hundred two million, two hundred one thousand, two hundred fifty-two".