121200222103 has 8 divisors (see below), whose sum is σ = 121744601856. Its totient is φ = 120656916600.

The previous prime is 121200222097. The next prime is 121200222149. The reversal of 121200222103 is 301222002121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121200222103 - 2⁹ = 121200221591 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 (121200232103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41983 + ... + 494128.

It is an arithmetic number, because the mean of its divisors is an integer number (15218075232).

Almost surely, 2^121200222103 is an apocalyptic number.

121200222103 is a deficient number, since it is larger than the sum of its proper divisors (544379753).

121200222103 is an equidigital number, since it uses as much as digits as its factorization.

121200222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537125.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121200222103 its reverse (301222002121), we get a palindrome (422422224224).

The spelling of 121200222103 in words is "one hundred twenty-one billion, two hundred million, two hundred twenty-two thousand, one hundred three".