2112101451 has 12 divisors (see below), whose sum is σ = 3133268112. Its totient is φ = 1370011536.

The previous prime is 2112101449. The next prime is 2112101479. The reversal of 2112101451 is 1541012112.

2112101451 is a `hidden beast` number, since 2 + 1 + 1 + 210 + 1 + 451 = 666.

It is not a de Polignac number, because 2112101451 - 2¹ = 2112101449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112101441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3170991 + ... + 3171656.

It is an arithmetic number, because the mean of its divisors is an integer number (261105676).

Almost surely, 2^2112101451 is an apocalyptic number.

2112101451 is a deficient number, since it is larger than the sum of its proper divisors (1021166661).

2112101451 is a wasteful number, since it uses less digits than its factorization.

2112101451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342690 (or 6342687 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 2112101451 is about 45957.6049310666. The cubic root of 2112101451 is about 1283.0342750763.

Adding to 2112101451 its reverse (1541012112), we get a palindrome (3653113563).

The spelling of 2112101451 in words is "two billion, one hundred twelve million, one hundred one thousand, four hundred fifty-one".