11222120001101 has 4 divisors (see below), whose sum is σ = 11260420752252. Its totient is φ = 11183819249952.

The previous prime is 11222120001097. The next prime is 11222120001107. The reversal of 11222120001101 is 10110002122211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8117655722500 + 3104464278601 = 2849150^2 + 1761949^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222120001101 - 2² = 11222120001097 is a prime.

It is a super-2 number, since 2×11222120001101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222120001107) 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, 19150375136 + ... + 19150375721.

It is an arithmetic number, because the mean of its divisors is an integer number (2815105188063).

Almost surely, 2^{11222120001101} is an apocalyptic number.

It is an amenable number.

11222120001101 is a deficient number, since it is larger than the sum of its proper divisors (38300751151).

11222120001101 is an equidigital number, since it uses as much as digits as its factorization.

11222120001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38300751150.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11222120001101 its reverse (10110002122211), we get a palindrome (21332122123312).

The spelling of 11222120001101 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, one thousand, one hundred one".