99121222002202 has 8 divisors (see below), whose sum is σ = 148742297359200. Its totient is φ = 49540456215804.

The previous prime is 99121222002163. The next prime is 99121222002203. The reversal of 99121222002202 is 20220022212199.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (99121222002203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10077386502 + ... + 10077396337.

It is an arithmetic number, because the mean of its divisors is an integer number (18592787169900).

Almost surely, 2^{99121222002202} is an apocalyptic number.

99121222002202 is a deficient number, since it is larger than the sum of its proper divisors (49621075356998).

99121222002202 is a wasteful number, since it uses less digits than its factorization.

99121222002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154785300.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 99121222002202 in words is "ninety-nine trillion, one hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred two".