11100222120101 has 2 divisors, whose sum is σ = 11100222120102. Its totient is φ = 11100222120100.

The previous prime is 11100222120089. The next prime is 11100222120151. The reversal of 11100222120101 is 10102122200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11099565223201 + 656896900 = 3331601^2 + 25630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100222120101 is a prime.

It is a super-2 number, since 2×11100222120101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100222120151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550111060050 + 5550111060051.

It is an arithmetic number, because the mean of its divisors is an integer number (5550111060051).

Almost surely, 2^{11100222120101} is an apocalyptic number.

It is an amenable number.

11100222120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100222120101 is an equidigital number, since it uses as much as digits as its factorization.

11100222120101 is an evil number, because the sum of its binary digits is even.

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

Adding to 11100222120101 its reverse (10102122200111), we get a palindrome (21202344320212).

The spelling of 11100222120101 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".