91002011102201 has 8 divisors (see below), whose sum is σ = 93651874272384. Its totient is φ = 88362166319280.

The previous prime is 91002011102153. The next prime is 91002011102209. The reversal of 91002011102201 is 10220111020019.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91002011102201 is a prime.

It is a super-2 number, since 2×91002011102201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91002011102209) 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, 2504578385 + ... + 2504614718.

It is an arithmetic number, because the mean of its divisors is an integer number (11706484284048).

Almost surely, 2^{91002011102201} is an apocalyptic number.

It is an amenable number.

91002011102201 is a deficient number, since it is larger than the sum of its proper divisors (2649863170183).

91002011102201 is a wasteful number, since it uses less digits than its factorization.

91002011102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009193631.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 91002011102201 in words is "ninety-one trillion, two billion, eleven million, one hundred two thousand, two hundred one".