1012021022087 has 2 divisors, whose sum is σ = 1012021022088. Its totient is φ = 1012021022086.

The previous prime is 1012021022081. The next prime is 1012021022227. The reversal of 1012021022087 is 7802201202101.

It is a weak prime.

It is an emirp because it is prime and its reverse (7802201202101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012021022087 is a prime.

It is a super-2 number, since 2×1012021022087² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012021022081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010511043 + 506010511044.

It is an arithmetic number, because the mean of its divisors is an integer number (506010511044).

Almost surely, 2^{1012021022087} is an apocalyptic number.

1012021022087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012021022087 is an equidigital number, since it uses as much as digits as its factorization.

1012021022087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 1012021022087 its reverse (7802201202101), we get a palindrome (8814222224188).

The spelling of 1012021022087 in words is "one trillion, twelve billion, twenty-one million, twenty-two thousand, eighty-seven".