2201011220987 has 2 divisors, whose sum is σ = 2201011220988. Its totient is φ = 2201011220986.

The previous prime is 2201011220983. The next prime is 2201011221001. The reversal of 2201011220987 is 7890221101022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201011220987 - 2² = 2201011220983 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201011220983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100505610493 + 1100505610494.

It is an arithmetic number, because the mean of its divisors is an integer number (1100505610494).

Almost surely, 2^{2201011220987} is an apocalyptic number.

2201011220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201011220987 is an equidigital number, since it uses as much as digits as its factorization.

2201011220987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 2201011220987 in words is "two trillion, two hundred one billion, eleven million, two hundred twenty thousand, nine hundred eighty-seven".