121122122003 has 4 divisors (see below), whose sum is σ = 121123841520. Its totient is φ = 121120402488.

The previous prime is 121122121999. The next prime is 121122122027. The reversal of 121122122003 is 300221221121.

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

It is a cyclic number.

It is not a de Polignac number, because 121122122003 - 2² = 121122121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122122503) 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, 749375 + ... + 896552.

It is an arithmetic number, because the mean of its divisors is an integer number (30280960380).

Almost surely, 2^121122122003 is an apocalyptic number.

121122122003 is a deficient number, since it is larger than the sum of its proper divisors (1719517).

121122122003 is an equidigital number, since it uses as much as digits as its factorization.

121122122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719516.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121122122003 its reverse (300221221121), we get a palindrome (421343343124).

The spelling of 121122122003 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, three".