11222000220989 has 2 divisors, whose sum is σ = 11222000220990. Its totient is φ = 11222000220988.

The previous prime is 11222000220961. The next prime is 11222000221087. The reversal of 11222000220989 is 98902200022211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6529772736964 + 4692227484025 = 2555342^2 + 2166155^2 .

It is an emirp because it is prime and its reverse (98902200022211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222000220989 - 2³² = 11217705253693 is a prime.

It is a super-2 number, since 2×11222000220989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222000220929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611000110494 + 5611000110495.

It is an arithmetic number, because the mean of its divisors is an integer number (5611000110495).

Almost surely, 2^{11222000220989} is an apocalyptic number.

It is an amenable number.

11222000220989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222000220989 is an equidigital number, since it uses as much as digits as its factorization.

11222000220989 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 38.

The spelling of 11222000220989 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty thousand, nine hundred eighty-nine".