100023213213251 has 2 divisors, whose sum is σ = 100023213213252. Its totient is φ = 100023213213250.

The previous prime is 100023213213239. The next prime is 100023213213349. The reversal of 100023213213251 is 152312312320001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100023213213251 - 2²² = 100023209018947 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100023213213251.

It is not a weakly prime, because it can be changed into another prime (100023213213551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011606606625 + 50011606606626.

It is an arithmetic number, because the mean of its divisors is an integer number (50011606606626).

Almost surely, 2^{100023213213251} is an apocalyptic number.

100023213213251 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023213213251 is an equidigital number, since it uses as much as digits as its factorization.

100023213213251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 100023213213251 its reverse (152312312320001), we get a palindrome (252335525533252).

The spelling of 100023213213251 in words is "one hundred trillion, twenty-three billion, two hundred thirteen million, two hundred thirteen thousand, two hundred fifty-one".