1022220211211 has 2 divisors, whose sum is σ = 1022220211212. Its totient is φ = 1022220211210.

The previous prime is 1022220211153. The next prime is 1022220211277. The reversal of 1022220211211 is 1121120222201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022220211211 - 2²² = 1022216016907 is a prime.

It is a super-2 number, since 2×1022220211211² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022220211211.

It is not a weakly prime, because it can be changed into another prime (1022220231211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110105605 + 511110105606.

It is an arithmetic number, because the mean of its divisors is an integer number (511110105606).

Almost surely, 2^{1022220211211} is an apocalyptic number.

1022220211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022220211211 is an equidigital number, since it uses as much as digits as its factorization.

1022220211211 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 1022220211211 its reverse (1121120222201), we get a palindrome (2143340433412).

The spelling of 1022220211211 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".