11220010021091 has 16 divisors (see below), whose sum is σ = 11727174006240. Its totient is φ = 10720875432960.

The previous prime is 11220010021057. The next prime is 11220010021093. The reversal of 11220010021091 is 19012001002211.

It is a cyclic number.

It is not a de Polignac number, because 11220010021091 - 2⁶ = 11220010021027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220010021093) 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, 60434636 + ... + 60620006.

It is an arithmetic number, because the mean of its divisors is an integer number (732948375390).

Almost surely, 2^{11220010021091} is an apocalyptic number.

11220010021091 is a deficient number, since it is larger than the sum of its proper divisors (507163985149).

11220010021091 is a wasteful number, since it uses less digits than its factorization.

11220010021091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207014.

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

The spelling of 11220010021091 in words is "eleven trillion, two hundred twenty billion, ten million, twenty-one thousand, ninety-one".