11222222056151 has 2 divisors, whose sum is σ = 11222222056152. Its totient is φ = 11222222056150.

The previous prime is 11222222056103. The next prime is 11222222056181. The reversal of 11222222056151 is 15165022222211.

11222222056151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222222056151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222222056181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611111028075 + 5611111028076.

It is an arithmetic number, because the mean of its divisors is an integer number (5611111028076).

Almost surely, 2^{11222222056151} is an apocalyptic number.

11222222056151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222222056151 is an equidigital number, since it uses as much as digits as its factorization.

11222222056151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 11222222056151 its reverse (15165022222211), we get a palindrome (26387244278362).

The spelling of 11222222056151 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, fifty-six thousand, one hundred fifty-one".