1022000012081 has 2 divisors, whose sum is σ = 1022000012082. Its totient is φ = 1022000012080.

The previous prime is 1022000011999. The next prime is 1022000012093. The reversal of 1022000012081 is 1802100002201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909764961856 + 112235050225 = 953816^2 + 335015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022000012081 - 2²⁶ = 1021932903217 is a prime.

It is a super-2 number, since 2×1022000012081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022000012581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511000006040 + 511000006041.

It is an arithmetic number, because the mean of its divisors is an integer number (511000006041).

Almost surely, 2^{1022000012081} is an apocalyptic number.

It is an amenable number.

1022000012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022000012081 is an equidigital number, since it uses as much as digits as its factorization.

1022000012081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022000012081 its reverse (1802100002201), we get a palindrome (2824100014282).

The spelling of 1022000012081 in words is "one trillion, twenty-two billion, twelve thousand, eighty-one".