100553221499 has 2 divisors, whose sum is σ = 100553221500. Its totient is φ = 100553221498.

The previous prime is 100553221481. The next prime is 100553221519. The reversal of 100553221499 is 994122355001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100553221499 - 2²⁰ = 100552172923 is a prime.

It is a super-2 number, since 2×100553221499² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100553221459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50276610749 + 50276610750.

It is an arithmetic number, because the mean of its divisors is an integer number (50276610750).

Almost surely, 2^100553221499 is an apocalyptic number.

100553221499 is a deficient number, since it is larger than the sum of its proper divisors (1).

100553221499 is an equidigital number, since it uses as much as digits as its factorization.

100553221499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 100553221499 in words is "one hundred billion, five hundred fifty-three million, two hundred twenty-one thousand, four hundred ninety-nine".