122120011903 has 2 divisors, whose sum is σ = 122120011904. Its totient is φ = 122120011902.

The previous prime is 122120011843. The next prime is 122120012029. The reversal of 122120011903 is 309110021221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122120011903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120015903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060005951 + 61060005952.

It is an arithmetic number, because the mean of its divisors is an integer number (61060005952).

Almost surely, 2^122120011903 is an apocalyptic number.

122120011903 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120011903 is an equidigital number, since it uses as much as digits as its factorization.

122120011903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

It can be divided in two parts, 122 and 120011903, that added together give a square (120012025 = 10955²).

The spelling of 122120011903 in words is "one hundred twenty-two billion, one hundred twenty million, eleven thousand, nine hundred three".