2102322051 has 24 divisors (see below), whose sum is σ = 3384547920. Its totient is φ = 1249675776.

The previous prime is 2102322037. The next prime is 2102322067. The reversal of 2102322051 is 1502232012.

It is a de Polignac number, because none of the positive numbers 2^k-2102322051 is a prime.

It is a super-2 number, since 2×2102322051² = 8839516012241693202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102322151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358690 + ... + 364503.

It is an arithmetic number, because the mean of its divisors is an integer number (141022830).

Almost surely, 2^2102322051 is an apocalyptic number.

2102322051 is a deficient number, since it is larger than the sum of its proper divisors (1282225869).

2102322051 is a wasteful number, since it uses less digits than its factorization.

2102322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723235 (or 723232 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2102322051 is about 45851.0856032875. The cubic root of 2102322051 is about 1281.0509863853.

Adding to 2102322051 its reverse (1502232012), we get a palindrome (3604554063).

The spelling of 2102322051 in words is "two billion, one hundred two million, three hundred twenty-two thousand, fifty-one".