10001102221949 has 2 divisors, whose sum is σ = 10001102221950. Its totient is φ = 10001102221948.

The previous prime is 10001102221937. The next prime is 10001102222009. The reversal of 10001102221949 is 94912220110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7590675193924 + 2410427028025 = 2755118^2 + 1552555^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001102221949 - 2⁴ = 10001102221933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001102221249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000551110974 + 5000551110975.

It is an arithmetic number, because the mean of its divisors is an integer number (5000551110975).

Almost surely, 2^{10001102221949} is an apocalyptic number.

It is an amenable number.

10001102221949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001102221949 is an equidigital number, since it uses as much as digits as its factorization.

10001102221949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 10001102221949 in words is "ten trillion, one billion, one hundred two million, two hundred twenty-one thousand, nine hundred forty-nine".