11102212020989 has 2 divisors, whose sum is σ = 11102212020990. Its totient is φ = 11102212020988.

The previous prime is 11102212020983. The next prime is 11102212021111. The reversal of 11102212020989 is 98902021220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11043379092964 + 58832928025 = 3323158^2 + 242555^2 .

It is an emirp because it is prime and its reverse (98902021220111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11102212020989 - 2²⁴ = 11102195243773 is a prime.

It is a super-2 number, since 2×11102212020989² (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 (11102212020983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551106010494 + 5551106010495.

It is an arithmetic number, because the mean of its divisors is an integer number (5551106010495).

Almost surely, 2^{11102212020989} is an apocalyptic number.

It is an amenable number.

11102212020989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102212020989 is an equidigital number, since it uses as much as digits as its factorization.

11102212020989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 11102212020989 in words is "eleven trillion, one hundred two billion, two hundred twelve million, twenty thousand, nine hundred eighty-nine".