2100202102250 has 128 divisors (see below), whose sum is σ = 4740285888000. Its totient is φ = 680646758400.

The previous prime is 2100202102249. The next prime is 2100202102253. The reversal of 2100202102250 is 522012020012.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100202102253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14858912 + ... + 14999588.

It is an arithmetic number, because the mean of its divisors is an integer number (37033483500).

Almost surely, 2^{2100202102250} is an apocalyptic number.

2100202102250 is an abundant number, since it is smaller than the sum of its proper divisors (2640083785750).

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

2100202102250 is a wasteful number, since it uses less digits than its factorization.

2100202102250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141169 (or 141159 counting only the distinct ones).

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

Adding to 2100202102250 its reverse (522012020012), we get a palindrome (2622214122262).

The spelling of 2100202102250 in words is "two trillion, one hundred billion, two hundred two million, one hundred two thousand, two hundred fifty".