222110000251 has 2 divisors, whose sum is σ = 222110000252. Its totient is φ = 222110000250.

The previous prime is 222110000219. The next prime is 222110000303. The reversal of 222110000251 is 152000011222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222110000251 - 2⁵ = 222110000219 is a prime.

It is a super-2 number, since 2×222110000251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222110000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055000125 + 111055000126.

It is an arithmetic number, because the mean of its divisors is an integer number (111055000126).

Almost surely, 2^222110000251 is an apocalyptic number.

222110000251 is a deficient number, since it is larger than the sum of its proper divisors (1).

222110000251 is an equidigital number, since it uses as much as digits as its factorization.

222110000251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 222110000251 its reverse (152000011222), we get a palindrome (374110011473).

The spelling of 222110000251 in words is "two hundred twenty-two billion, one hundred ten million, two hundred fifty-one", and thus it is an aban number.