121214042203 has 4 divisors (see below), whose sum is σ = 123023207080. Its totient is φ = 119404877328.

The previous prime is 121214042149. The next prime is 121214042219. The reversal of 121214042203 is 302240412121.

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-121214042203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121214042263) 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, 904582338 + ... + 904582471.

It is an arithmetic number, because the mean of its divisors is an integer number (30755801770).

Almost surely, 2^121214042203 is an apocalyptic number.

121214042203 is a deficient number, since it is larger than the sum of its proper divisors (1809164877).

121214042203 is an equidigital number, since it uses as much as digits as its factorization.

121214042203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809164876.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121214042203 its reverse (302240412121), we get a palindrome (423454454324).

The spelling of 121214042203 in words is "one hundred twenty-one billion, two hundred fourteen million, forty-two thousand, two hundred three".