22111021007 has 2 divisors, whose sum is σ = 22111021008. Its totient is φ = 22111021006.

The previous prime is 22111020991. The next prime is 22111021061. The reversal of 22111021007 is 70012011122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111021007 - 2⁴ = 22111020991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111021067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055510503 + 11055510504.

It is an arithmetic number, because the mean of its divisors is an integer number (11055510504).

Almost surely, 2^22111021007 is an apocalyptic number.

22111021007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111021007 is an equidigital number, since it uses as much as digits as its factorization.

22111021007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 22111021007 its reverse (70012011122), we get a palindrome (92123032129).

The spelling of 22111021007 in words is "twenty-two billion, one hundred eleven million, twenty-one thousand, seven".