122112132221203 has 4 divisors (see below), whose sum is σ = 122132108038248. Its totient is φ = 122092156404160.

The previous prime is 122112132221197. The next prime is 122112132221237. The reversal of 122112132221203 is 302122231211221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122112132221203 is a prime.

It is a super-2 number, since 2×122112132221203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112132221263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9987899353 + ... + 9987911578.

It is an arithmetic number, because the mean of its divisors is an integer number (30533027009562).

Almost surely, 2^{122112132221203} is an apocalyptic number.

122112132221203 is a deficient number, since it is larger than the sum of its proper divisors (19975817045).

122112132221203 is an equidigital number, since it uses as much as digits as its factorization.

122112132221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19975817044.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 122112132221203 its reverse (302122231211221), we get a palindrome (424234363432424).

The spelling of 122112132221203 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred three".