121301133003 has 24 divisors (see below), whose sum is σ = 175734693888. Its totient is φ = 80626683312.

The previous prime is 121301132999. The next prime is 121301133011. The reversal of 121301133003 is 300331103121.

It is a happy number.

It is not a de Polignac number, because 121301133003 - 2² = 121301132999 is a prime.

It is a super-2 number, since 2×121301133003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121301133053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13462926 + ... + 13471932.

It is an arithmetic number, because the mean of its divisors is an integer number (7322278912).

Almost surely, 2^121301133003 is an apocalyptic number.

121301133003 is a deficient number, since it is larger than the sum of its proper divisors (54433560885).

121301133003 is a wasteful number, since it uses less digits than its factorization.

121301133003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13303 (or 13300 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121301133003 its reverse (300331103121), we get a palindrome (421632236124).

The spelling of 121301133003 in words is "one hundred twenty-one billion, three hundred one million, one hundred thirty-three thousand, three".