99102122011 has 4 divisors (see below), whose sum is σ = 100726747024. Its totient is φ = 97477497000.

The previous prime is 99102122003. The next prime is 99102122023. The reversal of 99102122011 is 11022120199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022120199 = 92233 ⋅119503.

It is a cyclic number.

It is not a de Polignac number, because 99102122011 - 2³ = 99102122003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99102122611) 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 3 ways as a sum of consecutive naturals, for example, 812312415 + ... + 812312536.

It is an arithmetic number, because the mean of its divisors is an integer number (25181686756).

Almost surely, 2^99102122011 is an apocalyptic number.

99102122011 is a deficient number, since it is larger than the sum of its proper divisors (1624625013).

99102122011 is a wasteful number, since it uses less digits than its factorization.

99102122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624625012.

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

The spelling of 99102122011 in words is "ninety-nine billion, one hundred two million, one hundred twenty-two thousand, eleven".