2152127100 has 72 divisors (see below), whose sum is σ = 6319817728. Its totient is φ = 565329600.

The previous prime is 2152127083. The next prime is 2152127113. The reversal of 2152127100 is 17212512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33436 + ... + 73635.

Almost surely, 2^2152127100 is an apocalyptic number.

2152127100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152127100 is an abundant number, since it is smaller than the sum of its proper divisors (4167690628).

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

2152127100 is a wasteful number, since it uses less digits than its factorization.

2152127100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107155 (or 107148 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 2152127100 is about 46391.0239162707. The cubic root of 2152127100 is about 1291.0883789895.

Adding to 2152127100 its reverse (17212512), we get a palindrome (2169339612).

The spelling of 2152127100 in words is "two billion, one hundred fifty-two million, one hundred twenty-seven thousand, one hundred".