11222210121011 has 4 divisors (see below), whose sum is σ = 11222598340800. Its totient is φ = 11221821901224.

The previous prime is 11222210120941. The next prime is 11222210121061. The reversal of 11222210121011 is 11012101222211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11222210121011 - 2³⁴ = 11205030251827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222210121061) 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, 194066531 + ... + 194124348.

It is an arithmetic number, because the mean of its divisors is an integer number (2805649585200).

Almost surely, 2^{11222210121011} is an apocalyptic number.

11222210121011 is a deficient number, since it is larger than the sum of its proper divisors (388219789).

11222210121011 is an equidigital number, since it uses as much as digits as its factorization.

11222210121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388219788.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11222210121011 its reverse (11012101222211), we get a palindrome (22234311343222).

The spelling of 11222210121011 in words is "eleven trillion, two hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, eleven".