121120201112003 has 2 divisors, whose sum is σ = 121120201112004. Its totient is φ = 121120201112002.

The previous prime is 121120201111979. The next prime is 121120201112021. The reversal of 121120201112003 is 300211102021121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (300211102021121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121120201112003 - 2²⁶ = 121120134003139 is a prime.

It is not a weakly prime, because it can be changed into another prime (121120201112063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560100556001 + 60560100556002.

It is an arithmetic number, because the mean of its divisors is an integer number (60560100556002).

Almost surely, 2^{121120201112003} is an apocalyptic number.

121120201112003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120201112003 is an equidigital number, since it uses as much as digits as its factorization.

121120201112003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121120201112003 its reverse (300211102021121), we get a palindrome (421331303133124).

The spelling of 121120201112003 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred one million, one hundred twelve thousand, three".