212210111089 has 2 divisors, whose sum is σ = 212210111090. Its totient is φ = 212210111088.

The previous prime is 212210111021. The next prime is 212210111107. The reversal of 212210111089 is 980111012212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191073894400 + 21136216689 = 437120^2 + 145383^2 .

It is a cyclic number.

It is not a de Polignac number, because 212210111089 - 2²¹ = 212208013937 is a prime.

It is not a weakly prime, because it can be changed into another prime (212210111489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105055544 + 106105055545.

It is an arithmetic number, because the mean of its divisors is an integer number (106105055545).

Almost surely, 2^212210111089 is an apocalyptic number.

It is an amenable number.

212210111089 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210111089 is an equidigital number, since it uses as much as digits as its factorization.

212210111089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 212210111089 in words is "two hundred twelve billion, two hundred ten million, one hundred eleven thousand, eighty-nine".