122112003121 has 4 divisors (see below), whose sum is σ = 127421220672. Its totient is φ = 116802785572.

The previous prime is 122112003107. The next prime is 122112003151. The reversal of 122112003121 is 121300211221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122112003121 - 2¹³ = 122111994929 is a prime.

It is a super-2 number, since 2×122112003121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122112003095 and 122112003104.

It is not an unprimeable number, because it can be changed into a prime (122112003151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654608741 + ... + 2654608786.

It is an arithmetic number, because the mean of its divisors is an integer number (31855305168).

Almost surely, 2^122112003121 is an apocalyptic number.

It is an amenable number.

122112003121 is a deficient number, since it is larger than the sum of its proper divisors (5309217551).

122112003121 is an equidigital number, since it uses as much as digits as its factorization.

122112003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309217550.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122112003121 its reverse (121300211221), we get a palindrome (243412214342).

The spelling of 122112003121 in words is "one hundred twenty-two billion, one hundred twelve million, three thousand, one hundred twenty-one".