121134011003 has 6 divisors (see below), whose sum is σ = 128678690196. Its totient is φ = 114008480672.

The previous prime is 121134010931. The next prime is 121134011039. The reversal of 121134011003 is 300110431121.

It is not a de Polignac number, because 121134011003 - 2¹² = 121134006907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121134011203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209574125 + ... + 209574702.

It is an arithmetic number, because the mean of its divisors is an integer number (21446448366).

Almost surely, 2^121134011003 is an apocalyptic number.

121134011003 is a deficient number, since it is larger than the sum of its proper divisors (7544679193).

121134011003 is an equidigital number, since it uses as much as digits as its factorization.

121134011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419148861 (or 419148844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121134011003 its reverse (300110431121), we get a palindrome (421244442124).

The spelling of 121134011003 in words is "one hundred twenty-one billion, one hundred thirty-four million, eleven thousand, three".