99219454102 has 4 divisors (see below), whose sum is σ = 148829181156. Its totient is φ = 49609727050.

The previous prime is 99219454099. The next prime is 99219454157. The reversal of 99219454102 is 20145491299.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24804863524 + ... + 24804863527.

It is an arithmetic number, because the mean of its divisors is an integer number (37207295289).

Almost surely, 2^99219454102 is an apocalyptic number.

99219454102 is a deficient number, since it is larger than the sum of its proper divisors (49609727054).

99219454102 is a wasteful number, since it uses less digits than its factorization.

99219454102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49609727053.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 99219454102 in words is "ninety-nine billion, two hundred nineteen million, four hundred fifty-four thousand, one hundred two".