11222122320187 has 2 divisors, whose sum is σ = 11222122320188. Its totient is φ = 11222122320186.

The previous prime is 11222122320179. The next prime is 11222122320349. The reversal of 11222122320187 is 78102322122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222122320187 - 2³ = 11222122320179 is a prime.

It is a super-2 number, since 2×11222122320187² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11222122324187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611061160093 + 5611061160094.

It is an arithmetic number, because the mean of its divisors is an integer number (5611061160094).

Almost surely, 2^{11222122320187} is an apocalyptic number.

11222122320187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222122320187 is an equidigital number, since it uses as much as digits as its factorization.

11222122320187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

Adding to 11222122320187 its reverse (78102322122211), we get a palindrome (89324444442398).

The spelling of 11222122320187 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, three hundred twenty thousand, one hundred eighty-seven".