1002302212091 has 2 divisors, whose sum is σ = 1002302212092. Its totient is φ = 1002302212090.

The previous prime is 1002302212073. The next prime is 1002302212141. The reversal of 1002302212091 is 1902122032001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002302212091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1002302212591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501151106045 + 501151106046.

It is an arithmetic number, because the mean of its divisors is an integer number (501151106046).

Almost surely, 2^{1002302212091} is an apocalyptic number.

1002302212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002302212091 is an equidigital number, since it uses as much as digits as its factorization.

1002302212091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1002302212091 its reverse (1902122032001), we get a palindrome (2904424244092).

The spelling of 1002302212091 in words is "one trillion, two billion, three hundred two million, two hundred twelve thousand, ninety-one".