2100211249 has 2 divisors, whose sum is σ = 2100211250. Its totient is φ = 2100211248.

The previous prime is 2100211207. The next prime is 2100211277. The reversal of 2100211249 is 9421120012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2066338849 + 33872400 = 45457^2 + 5820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100211249 - 2⁹ = 2100210737 is a prime.

It is a super-2 number, since 2×2100211249² = 8821774580852280002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100211049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050105624 + 1050105625.

It is an arithmetic number, because the mean of its divisors is an integer number (1050105625).

Almost surely, 2^2100211249 is an apocalyptic number.

It is an amenable number.

2100211249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100211249 is an equidigital number, since it uses as much as digits as its factorization.

2100211249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2100211249 is about 45828.0618071504. The cubic root of 2100211249 is about 1280.6221033998.

The spelling of 2100211249 in words is "two billion, one hundred million, two hundred eleven thousand, two hundred forty-nine".