121122103 has 4 divisors (see below), whose sum is σ = 123175080. Its totient is φ = 119069128.

The previous prime is 121122073. The next prime is 121122107. The reversal of 121122103 is 301221121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301221121 = 71 ⋅4242551.

It is a cyclic number.

It is not a de Polignac number, because 121122103 - 2⁹ = 121121591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122107) 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, 1026400 + ... + 1026517.

It is an arithmetic number, because the mean of its divisors is an integer number (30793770).

Almost surely, 2^121122103 is an apocalyptic number.

121122103 is a deficient number, since it is larger than the sum of its proper divisors (2052977).

121122103 is an equidigital number, since it uses as much as digits as its factorization.

121122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052976.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121122103 is about 11005.5487368872. The cubic root of 121122103 is about 494.7750608767.

Adding to 121122103 its reverse (301221121), we get a palindrome (422343224).

The spelling of 121122103 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred three".