99901010011001 has 4 divisors (see below), whose sum is σ = 99901052729472. Its totient is φ = 99900967292532.

The previous prime is 99901010010979. The next prime is 99901010011003. The reversal of 99901010011001 is 10011001010999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99901010011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99901010011003) 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, 17634881 + ... + 22600686.

It is an arithmetic number, because the mean of its divisors is an integer number (24975263182368).

Almost surely, 2^{99901010011001} is an apocalyptic number.

It is an amenable number.

99901010011001 is a deficient number, since it is larger than the sum of its proper divisors (42718471).

99901010011001 is a wasteful number, since it uses less digits than its factorization.

99901010011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42718470.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 99901010011001 in words is "ninety-nine trillion, nine hundred one billion, ten million, eleven thousand, one".