119802198021 has 8 divisors (see below), whose sum is σ = 174257742624. Its totient is φ = 72607392720.

The previous prime is 119802198013. The next prime is 119802198097. The reversal of 119802198021 is 120891208911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 119802198021 - 2³ = 119802198013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119802194021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815184786 + ... + 1815184851.

It is an arithmetic number, because the mean of its divisors is an integer number (21782217828).

Almost surely, 2^119802198021 is an apocalyptic number.

119802198021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

119802198021 is a deficient number, since it is larger than the sum of its proper divisors (54455544603).

119802198021 is a wasteful number, since it uses less digits than its factorization.

119802198021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630369651.

The product of its (nonzero) digits is 20736, while the sum is 42.

The spelling of 119802198021 in words is "one hundred nineteen billion, eight hundred two million, one hundred ninety-eight thousand, twenty-one".