121022312203 has 8 divisors (see below), whose sum is σ = 135998317728. Its totient is φ = 106855820544.

The previous prime is 121022312183. The next prime is 121022312219. The reversal of 121022312203 is 302213220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121022312203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022312273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202378150 + ... + 202378747.

It is an arithmetic number, because the mean of its divisors is an integer number (16999789716).

Almost surely, 2^121022312203 is an apocalyptic number.

121022312203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121022312203 is a deficient number, since it is larger than the sum of its proper divisors (14976005525).

121022312203 is a wasteful number, since it uses less digits than its factorization.

121022312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404756933.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121022312203 its reverse (302213220121), we get a palindrome (423235532324).

The spelling of 121022312203 in words is "one hundred twenty-one billion, twenty-two million, three hundred twelve thousand, two hundred three".