220111021000229 has 2 divisors, whose sum is σ = 220111021000230. Its totient is φ = 220111021000228.

The previous prime is 220111021000223. The next prime is 220111021000231. The reversal of 220111021000229 is 922000120111022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135253945996129 + 84857075004100 = 11629873^2 + 9211790^2 .

It is a cyclic number.

It is not a de Polignac number, because 220111021000229 - 2³⁶ = 220042301523493 is a prime.

Together with 220111021000231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220111021000223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055510500114 + 110055510500115.

It is an arithmetic number, because the mean of its divisors is an integer number (110055510500115).

Almost surely, 2^{220111021000229} is an apocalyptic number.

It is an amenable number.

220111021000229 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111021000229 is an equidigital number, since it uses as much as digits as its factorization.

220111021000229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 220111021000229 in words is "two hundred twenty trillion, one hundred eleven billion, twenty-one million, two hundred twenty-nine", and thus it is an aban number.