111002212229 has 2 divisors, whose sum is σ = 111002212230. Its totient is φ = 111002212228.

The previous prime is 111002212183. The next prime is 111002212231. The reversal of 111002212229 is 922212200111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62701161604 + 48301050625 = 250402^2 + 219775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002212229 is a prime.

It is a super-2 number, since 2×111002212229² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 111002212231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111002215229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501106114 + 55501106115.

It is an arithmetic number, because the mean of its divisors is an integer number (55501106115).

Almost surely, 2^111002212229 is an apocalyptic number.

It is an amenable number.

111002212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002212229 is an equidigital number, since it uses as much as digits as its factorization.

111002212229 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 111002212229 in words is "one hundred eleven billion, two million, two hundred twelve thousand, two hundred twenty-nine".