202222111010989 has 2 divisors, whose sum is σ = 202222111010990. Its totient is φ = 202222111010988.

The previous prime is 202222111010957. The next prime is 202222111011031. The reversal of 202222111010989 is 989010111222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187483652546089 + 14738458464900 = 13692467^2 + 3839070^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222111010989 - 2⁵ = 202222111010957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222111010929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111055505494 + 101111055505495.

It is an arithmetic number, because the mean of its divisors is an integer number (101111055505495).

Almost surely, 2^{202222111010989} is an apocalyptic number.

It is an amenable number.

202222111010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222111010989 is an equidigital number, since it uses as much as digits as its factorization.

202222111010989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 202222111010989 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred eleven million, ten thousand, nine hundred eighty-nine".