11100022212187 has 2 divisors, whose sum is σ = 11100022212188. Its totient is φ = 11100022212186.

The previous prime is 11100022212127. The next prime is 11100022212233. The reversal of 11100022212187 is 78121222000111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11100022212187 - 2¹⁹ = 11100021687899 is a prime.

It is a super-2 number, since 2×11100022212187² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100022212127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550011106093 + 5550011106094.

It is an arithmetic number, because the mean of its divisors is an integer number (5550011106094).

Almost surely, 2^{11100022212187} is an apocalyptic number.

11100022212187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100022212187 is an equidigital number, since it uses as much as digits as its factorization.

11100022212187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 11100022212187 its reverse (78121222000111), we get a palindrome (89221244212298).

The spelling of 11100022212187 in words is "eleven trillion, one hundred billion, twenty-two million, two hundred twelve thousand, one hundred eighty-seven".