121320233103 has 8 divisors (see below), whose sum is σ = 166132211248. Its totient is φ = 78694205184.

The previous prime is 121320233017. The next prime is 121320233107. The reversal of 121320233103 is 301332023121.

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

It is not a de Polignac number, because 121320233103 - 2¹⁰ = 121320232079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121320233103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320233107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546487426 + ... + 546487647.

It is an arithmetic number, because the mean of its divisors is an integer number (20766526406).

Almost surely, 2^121320233103 is an apocalyptic number.

121320233103 is a deficient number, since it is larger than the sum of its proper divisors (44811978145).

121320233103 is a wasteful number, since it uses less digits than its factorization.

121320233103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092975113.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121320233103 its reverse (301332023121), we get a palindrome (422652256224).

The spelling of 121320233103 in words is "one hundred twenty-one billion, three hundred twenty million, two hundred thirty-three thousand, one hundred three".