2802122212091 has 2 divisors, whose sum is σ = 2802122212092. Its totient is φ = 2802122212090.

The previous prime is 2802122212081. The next prime is 2802122212147. The reversal of 2802122212091 is 1902122212082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2802122212091 - 2¹⁸ = 2802121949947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2802122212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401061106045 + 1401061106046.

It is an arithmetic number, because the mean of its divisors is an integer number (1401061106046).

Almost surely, 2^{2802122212091} is an apocalyptic number.

2802122212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802122212091 is an equidigital number, since it uses as much as digits as its factorization.

2802122212091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

Subtracting from 2802122212091 its reverse (1902122212082), we obtain a palindrome (900000000009).

The spelling of 2802122212091 in words is "two trillion, eight hundred two billion, one hundred twenty-two million, two hundred twelve thousand, ninety-one".