222100021007 has 2 divisors, whose sum is σ = 222100021008. Its totient is φ = 222100021006.

The previous prime is 222100020979. The next prime is 222100021147. The reversal of 222100021007 is 700120001222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222100021007 - 2¹² = 222100016911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522100021007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050010503 + 111050010504.

It is an arithmetic number, because the mean of its divisors is an integer number (111050010504).

Almost surely, 2^222100021007 is an apocalyptic number.

222100021007 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100021007 is an equidigital number, since it uses as much as digits as its factorization.

222100021007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 222100021007 its reverse (700120001222), we get a palindrome (922220022229).

The spelling of 222100021007 in words is "two hundred twenty-two billion, one hundred million, twenty-one thousand, seven".