21112022112107 has 2 divisors, whose sum is σ = 21112022112108. Its totient is φ = 21112022112106.

The previous prime is 21112022111989. The next prime is 21112022112121. The reversal of 21112022112107 is 70121122021112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21112022112107 - 2²² = 21112017917803 is a prime.

It is not a weakly prime, because it can be changed into another prime (21112042112107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556011056053 + 10556011056054.

It is an arithmetic number, because the mean of its divisors is an integer number (10556011056054).

Almost surely, 2^{21112022112107} is an apocalyptic number.

21112022112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112022112107 is an equidigital number, since it uses as much as digits as its factorization.

21112022112107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 21112022112107 its reverse (70121122021112), we get a palindrome (91233144133219).

The spelling of 21112022112107 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, one hundred twelve thousand, one hundred seven".