2101902702 has 32 divisors (see below), whose sum is σ = 4617457920. Its totient is φ = 634898880.

The previous prime is 2101902701. The next prime is 2101902713. The reversal of 2101902702 is 2072091012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101902701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398199 + ... + 403442.

It is an arithmetic number, because the mean of its divisors is an integer number (144295560).

Almost surely, 2^2101902702 is an apocalyptic number.

2101902702 is an abundant number, since it is smaller than the sum of its proper divisors (2515555218).

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

2101902702 is a wasteful number, since it uses less digits than its factorization.

2101902702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801688.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2101902702 is about 45846.5124300639. The cubic root of 2101902702 is about 1280.9658038808.

Adding to 2101902702 its reverse (2072091012), we get a palindrome (4173993714).

The spelling of 2101902702 in words is "two billion, one hundred one million, nine hundred two thousand, seven hundred two".