199921221130102 has 8 divisors (see below), whose sum is σ = 299900892432096. Its totient is φ = 99954256986072.

The previous prime is 199921221130051. The next prime is 199921221130109. The reversal of 199921221130102 is 201031122129991.

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

It is a super-2 number, since 2×199921221130102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199921221130109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176750158 + ... + 3176813089.

It is an arithmetic number, because the mean of its divisors is an integer number (37487611554012).

Almost surely, 2^{199921221130102} is an apocalyptic number.

199921221130102 is a deficient number, since it is larger than the sum of its proper divisors (99979671301994).

199921221130102 is a wasteful number, since it uses less digits than its factorization.

199921221130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353578982.

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 199921221130102 in words is "one hundred ninety-nine trillion, nine hundred twenty-one billion, two hundred twenty-one million, one hundred thirty thousand, one hundred two".