11122100189 has 2 divisors, whose sum is σ = 11122100190. Its totient is φ = 11122100188.

The previous prime is 11122100183. The next prime is 11122100233. The reversal of 11122100189 is 98100122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11118648025 + 3452164 = 105445^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122100189 - 2⁴ = 11122100173 is a prime.

It is a super-2 number, since 2×11122100189² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122100183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561050094 + 5561050095.

It is an arithmetic number, because the mean of its divisors is an integer number (5561050095).

Almost surely, 2^11122100189 is an apocalyptic number.

It is an amenable number.

11122100189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122100189 is an equidigital number, since it uses as much as digits as its factorization.

11122100189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11122100189 in words is "eleven billion, one hundred twenty-two million, one hundred thousand, one hundred eighty-nine".