11202102020091 has 16 divisors (see below), whose sum is σ = 15704506794240. Its totient is φ = 7088839860960.

The previous prime is 11202102020077. The next prime is 11202102020141. The reversal of 11202102020091 is 19002020120211.

It is not a de Polignac number, because 11202102020091 - 2⁶ = 11202102020027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202102020491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619644796 + ... + 619662873.

It is an arithmetic number, because the mean of its divisors is an integer number (981531674640).

Almost surely, 2^{11202102020091} is an apocalyptic number.

11202102020091 is a deficient number, since it is larger than the sum of its proper divisors (4502404774149).

11202102020091 is a wasteful number, since it uses less digits than its factorization.

11202102020091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239307826.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 11202102020091 in words is "eleven trillion, two hundred two billion, one hundred two million, twenty thousand, ninety-one".