122111313210203 has 2 divisors, whose sum is σ = 122111313210204. Its totient is φ = 122111313210202.

The previous prime is 122111313210179. The next prime is 122111313210251. The reversal of 122111313210203 is 302012313111221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122111313210203 - 2²⁰ = 122111312161627 is a prime.

It is a super-2 number, since 2×122111313210203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122111313210283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055656605101 + 61055656605102.

It is an arithmetic number, because the mean of its divisors is an integer number (61055656605102).

Almost surely, 2^{122111313210203} is an apocalyptic number.

122111313210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111313210203 is an equidigital number, since it uses as much as digits as its factorization.

122111313210203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 122111313210203 its reverse (302012313111221), we get a palindrome (424123626321424).

The spelling of 122111313210203 in words is "one hundred twenty-two trillion, one hundred eleven billion, three hundred thirteen million, two hundred ten thousand, two hundred three".