2102251502 has 12 divisors (see below), whose sum is σ = 3414604320. Its totient is φ = 970269768.

The previous prime is 2102251493. The next prime is 2102251511. The reversal of 2102251502 is 2051522012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2102251493) and next prime (2102251511).

It is a super-2 number, since 2×2102251502² = 8838922755322512008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3109502 + ... + 3110177.

It is an arithmetic number, because the mean of its divisors is an integer number (284550360).

Almost surely, 2^2102251502 is an apocalyptic number.

2102251502 is a deficient number, since it is larger than the sum of its proper divisors (1312352818).

2102251502 is a wasteful number, since it uses less digits than its factorization.

2102251502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219707 (or 6219694 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2102251502 is about 45850.3162693563. The cubic root of 2102251502 is about 1281.0366565356.

Adding to 2102251502 its reverse (2051522012), we get a palindrome (4153773514).

The spelling of 2102251502 in words is "two billion, one hundred two million, two hundred fifty-one thousand, five hundred two".