22021121107 has 2 divisors, whose sum is σ = 22021121108. Its totient is φ = 22021121106.

The previous prime is 22021121063. The next prime is 22021121123. The reversal of 22021121107 is 70112112022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22021121107 - 2¹¹ = 22021119059 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021121137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010560553 + 11010560554.

It is an arithmetic number, because the mean of its divisors is an integer number (11010560554).

Almost surely, 2^22021121107 is an apocalyptic number.

22021121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021121107 is an equidigital number, since it uses as much as digits as its factorization.

22021121107 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 22021121107 its reverse (70112112022), we get a palindrome (92133233129).

The spelling of 22021121107 in words is "twenty-two billion, twenty-one million, one hundred twenty-one thousand, one hundred seven".