11122002187 has 2 divisors, whose sum is σ = 11122002188. Its totient is φ = 11122002186.

The previous prime is 11122002181. The next prime is 11122002233. The reversal of 11122002187 is 78120022111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11122002187 - 2³ = 11122002179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122002181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561001093 + 5561001094.

It is an arithmetic number, because the mean of its divisors is an integer number (5561001094).

Almost surely, 2^11122002187 is an apocalyptic number.

11122002187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122002187 is an equidigital number, since it uses as much as digits as its factorization.

11122002187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 11122002187 its reverse (78120022111), we get a palindrome (89242024298).

The spelling of 11122002187 in words is "eleven billion, one hundred twenty-two million, two thousand, one hundred eighty-seven".