122112223212103 has 4 divisors (see below), whose sum is σ = 123657947556640. Its totient is φ = 120566498867568.

The previous prime is 122112223212043. The next prime is 122112223212157. The reversal of 122112223212103 is 301212322211221.

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-122112223212103 is a prime.

It is a super-2 number, since 2×122112223212103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112223212193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772862172150 + ... + 772862172307.

It is an arithmetic number, because the mean of its divisors is an integer number (30914486889160).

Almost surely, 2^{122112223212103} is an apocalyptic number.

122112223212103 is a deficient number, since it is larger than the sum of its proper divisors (1545724344537).

122112223212103 is an equidigital number, since it uses as much as digits as its factorization.

122112223212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545724344536.

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

Adding to 122112223212103 its reverse (301212322211221), we get a palindrome (423324545423324).

The spelling of 122112223212103 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-three million, two hundred twelve thousand, one hundred three".