2100251223 has 12 divisors (see below), whose sum is σ = 3467081488. Its totient is φ = 1200143520.

The previous prime is 2100251201. The next prime is 2100251269. The reversal of 2100251223 is 3221520012.

It is not a de Polignac number, because 2100251223 - 2⁵ = 2100251191 is a prime.

It is a super-2 number, since 2×2100251223² = 8822110399425991458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100251196 and 2100251205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100251273) 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 11 ways as a sum of consecutive naturals, for example, 16668598 + ... + 16668723.

Almost surely, 2^2100251223 is an apocalyptic number.

2100251223 is a deficient number, since it is larger than the sum of its proper divisors (1366830265).

2100251223 is a wasteful number, since it uses less digits than its factorization.

2100251223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33337334 (or 33337331 counting only the distinct ones).

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

The square root of 2100251223 is about 45828.4979352368. The cubic root of 2100251223 is about 1280.6302281798.

Adding to 2100251223 its reverse (3221520012), we get a palindrome (5321771235).

The spelling of 2100251223 in words is "two billion, one hundred million, two hundred fifty-one thousand, two hundred twenty-three".