2102042030250 has 128 divisors (see below), whose sum is σ = 5477708021760. Its totient is φ = 535889640000.

The previous prime is 2102042030243. The next prime is 2102042030269. The reversal of 2102042030250 is 520302402012.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33623521 + ... + 33685979.

It is an arithmetic number, because the mean of its divisors is an integer number (42794593920).

Almost surely, 2^{2102042030250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102042030250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738854010880).

2102042030250 is an abundant number, since it is smaller than the sum of its proper divisors (3375665991510).

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

2102042030250 is a wasteful number, since it uses less digits than its factorization.

2102042030250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64453 (or 64443 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 2102042030250 its reverse (520302402012), we get a palindrome (2622344432262).

The spelling of 2102042030250 in words is "two trillion, one hundred two billion, forty-two million, thirty thousand, two hundred fifty".