100968297621 has 4 divisors (see below), whose sum is σ = 134624396832. Its totient is φ = 67312198412.

The previous prime is 100968297611. The next prime is 100968297631. The reversal of 100968297621 is 126792869001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (100968297611) and next prime (100968297631).

It is a cyclic number.

It is not a de Polignac number, because 100968297621 - 2¹¹ = 100968295573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100968297611) 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 3 ways as a sum of consecutive naturals, for example, 16828049601 + ... + 16828049606.

It is an arithmetic number, because the mean of its divisors is an integer number (33656099208).

Almost surely, 2^100968297621 is an apocalyptic number.

It is an amenable number.

100968297621 is a deficient number, since it is larger than the sum of its proper divisors (33656099211).

100968297621 is an equidigital number, since it uses as much as digits as its factorization.

100968297621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33656099210.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 100968297621 in words is "one hundred billion, nine hundred sixty-eight million, two hundred ninety-seven thousand, six hundred twenty-one".