222111021007 has 2 divisors, whose sum is σ = 222111021008. Its totient is φ = 222111021006.

The previous prime is 222111020959. The next prime is 222111021029. The reversal of 222111021007 is 700120111222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222111021007 - 2³⁵ = 187751282639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222111021107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055510503 + 111055510504.

It is an arithmetic number, because the mean of its divisors is an integer number (111055510504).

Almost surely, 2^222111021007 is an apocalyptic number.

222111021007 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111021007 is an equidigital number, since it uses as much as digits as its factorization.

222111021007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 222111021007 its reverse (700120111222), we get a palindrome (922231132229).

The spelling of 222111021007 in words is "two hundred twenty-two billion, one hundred eleven million, twenty-one thousand, seven".