2201111999987 has 2 divisors, whose sum is σ = 2201111999988. Its totient is φ = 2201111999986.

The previous prime is 2201111999953. The next prime is 2201112000047. The reversal of 2201111999987 is 7899991111022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201111999987 - 2¹⁰ = 2201111998963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201111999087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100555999993 + 1100555999994.

It is an arithmetic number, because the mean of its divisors is an integer number (1100555999994).

Almost surely, 2^{2201111999987} is an apocalyptic number.

2201111999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201111999987 is an equidigital number, since it uses as much as digits as its factorization.

2201111999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 59.

The spelling of 2201111999987 in words is "two trillion, two hundred one billion, one hundred eleven million, nine hundred ninety-nine thousand, nine hundred eighty-seven".