1222002220211 has 2 divisors, whose sum is σ = 1222002220212. Its totient is φ = 1222002220210.

The previous prime is 1222002220123. The next prime is 1222002220217. The reversal of 1222002220211 is 1120222002221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222002220211 - 2²⁶ = 1221935111347 is a prime.

It is a super-2 number, since 2×1222002220211² (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 1222002220211.

It is not a weakly prime, because it can be changed into another prime (1222002220217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611001110105 + 611001110106.

It is an arithmetic number, because the mean of its divisors is an integer number (611001110106).

Almost surely, 2^{1222002220211} is an apocalyptic number.

1222002220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222002220211 is an equidigital number, since it uses as much as digits as its factorization.

1222002220211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222002220211 its reverse (1120222002221), we get a palindrome (2342224222432).

The spelling of 1222002220211 in words is "one trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, two hundred eleven".