11012021999987 has 2 divisors, whose sum is σ = 11012021999988. Its totient is φ = 11012021999986.

The previous prime is 11012021999933. The next prime is 11012022000013. The reversal of 11012021999987 is 78999912021011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012021999987 - 2¹⁴ = 11012021983603 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012021999287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506010999993 + 5506010999994.

It is an arithmetic number, because the mean of its divisors is an integer number (5506010999994).

Almost surely, 2^{11012021999987} is an apocalyptic number.

11012021999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012021999987 is an equidigital number, since it uses as much as digits as its factorization.

11012021999987 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 11012021999987 in words is "eleven trillion, twelve billion, twenty-one million, nine hundred ninety-nine thousand, nine hundred eighty-seven".