1022222202211 has 4 divisors (see below), whose sum is σ = 1168253945392. Its totient is φ = 876190459032.

The previous prime is 1022222202193. The next prime is 1022222202229. The reversal of 1022222202211 is 1122022222201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1022222202193) and next prime (1022222202229).

It is not a de Polignac number, because 1022222202211 - 2³¹ = 1020074718563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222202251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73015871580 + ... + 73015871593.

It is an arithmetic number, because the mean of its divisors is an integer number (292063486348).

Almost surely, 2^{1022222202211} is an apocalyptic number.

1022222202211 is a deficient number, since it is larger than the sum of its proper divisors (146031743181).

1022222202211 is an equidigital number, since it uses as much as digits as its factorization.

1022222202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146031743180.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1022222202211 its reverse (1122022222201), we get a palindrome (2144244424412).

The spelling of 1022222202211 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred eleven".