1012022202089 has 2 divisors, whose sum is σ = 1012022202090. Its totient is φ = 1012022202088.

The previous prime is 1012022202053. The next prime is 1012022202127. The reversal of 1012022202089 is 9802022202101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809445694864 + 202576507225 = 899692^2 + 450085^2 .

It is an emirp because it is prime and its reverse (9802022202101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012022202089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012022207089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506011101044 + 506011101045.

It is an arithmetic number, because the mean of its divisors is an integer number (506011101045).

Almost surely, 2^{1012022202089} is an apocalyptic number.

It is an amenable number.

1012022202089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012022202089 is an equidigital number, since it uses as much as digits as its factorization.

1012022202089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 1012022202089 in words is "one trillion, twelve billion, twenty-two million, two hundred two thousand, eighty-nine".