99102100201201 has 8 divisors (see below), whose sum is σ = 107767625656680. Its totient is φ = 90751684762368.

The previous prime is 99102100201157. The next prime is 99102100201219. The reversal of 99102100201201 is 10210200120199.

It can be written as a sum of positive squares in 4 ways, for example, as 36632029953600 + 62470070247601 = 6052440^2 + 7903801^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99102100201201 - 2²¹ = 99102098104049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99102100201201.

It is not an unprimeable number, because it can be changed into a prime (99102100201241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78777503506 + ... + 78777504763.

It is an arithmetic number, because the mean of its divisors is an integer number (13470953207085).

Almost surely, 2^{99102100201201} is an apocalyptic number.

It is an amenable number.

99102100201201 is a deficient number, since it is larger than the sum of its proper divisors (8665525455479).

99102100201201 is a wasteful number, since it uses less digits than its factorization.

99102100201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157555008323.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 99102100201201 in words is "ninety-nine trillion, one hundred two billion, one hundred million, two hundred one thousand, two hundred one".