2221011039887 has 2 divisors, whose sum is σ = 2221011039888. Its totient is φ = 2221011039886.

The previous prime is 2221011039883. The next prime is 2221011039931. The reversal of 2221011039887 is 7889301101222.

2221011039887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2221011039931) can be obtained adding 2221011039887 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221011039887 - 2² = 2221011039883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221011039883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110505519943 + 1110505519944.

It is an arithmetic number, because the mean of its divisors is an integer number (1110505519944).

Almost surely, 2^{2221011039887} is an apocalyptic number.

2221011039887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221011039887 is an equidigital number, since it uses as much as digits as its factorization.

2221011039887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 2221011039887 in words is "two trillion, two hundred twenty-one billion, eleven million, thirty-nine thousand, eight hundred eighty-seven".