20112122099 has 2 divisors, whose sum is σ = 20112122100. Its totient is φ = 20112122098.

The previous prime is 20112122089. The next prime is 20112122111. The reversal of 20112122099 is 99022121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112122099 - 2¹² = 20112118003 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112122089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056061049 + 10056061050.

It is an arithmetic number, because the mean of its divisors is an integer number (10056061050).

Almost surely, 2^20112122099 is an apocalyptic number.

20112122099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112122099 is an equidigital number, since it uses as much as digits as its factorization.

20112122099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20112122099 in words is "twenty billion, one hundred twelve million, one hundred twenty-two thousand, ninety-nine".