220012111087 has 2 divisors, whose sum is σ = 220012111088. Its totient is φ = 220012111086.

The previous prime is 220012111069. The next prime is 220012111153. The reversal of 220012111087 is 780111210022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220012111087 - 2⁷ = 220012110959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220012115087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006055543 + 110006055544.

It is an arithmetic number, because the mean of its divisors is an integer number (110006055544).

Almost surely, 2^220012111087 is an apocalyptic number.

220012111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012111087 is an equidigital number, since it uses as much as digits as its factorization.

220012111087 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.

The spelling of 220012111087 in words is "two hundred twenty billion, twelve million, one hundred eleven thousand, eighty-seven".