11122011102221 has 4 divisors (see below), whose sum is σ = 11152316309952. Its totient is φ = 11091705894492.

The previous prime is 11122011102217. The next prime is 11122011102283. The reversal of 11122011102221 is 12220111022111.

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 not a de Polignac number, because 11122011102221 - 2² = 11122011102217 is a prime.

It is a super-2 number, since 2×11122011102221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122011102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122011152221) 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, 15152603315 + ... + 15152604048.

It is an arithmetic number, because the mean of its divisors is an integer number (2788079077488).

Almost surely, 2^{11122011102221} is an apocalyptic number.

It is an amenable number.

11122011102221 is a deficient number, since it is larger than the sum of its proper divisors (30305207731).

11122011102221 is an equidigital number, since it uses as much as digits as its factorization.

11122011102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30305207730.

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

Adding to 11122011102221 its reverse (12220111022111), we get a palindrome (23342122124332).

The spelling of 11122011102221 in words is "eleven trillion, one hundred twenty-two billion, eleven million, one hundred two thousand, two hundred twenty-one".