7003121313121 has 4 divisors (see below), whose sum is σ = 7004043876544. Its totient is φ = 7002198749700.

The previous prime is 7003121313059. The next prime is 7003121313233. The reversal of 7003121313121 is 1213131213007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7003121313121 - 2¹¹ = 7003121311073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7003121313521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461270325 + ... + 461285506.

It is an arithmetic number, because the mean of its divisors is an integer number (1751010969136).

Almost surely, 2^{7003121313121} is an apocalyptic number.

It is an amenable number.

7003121313121 is a deficient number, since it is larger than the sum of its proper divisors (922563423).

7003121313121 is an equidigital number, since it uses as much as digits as its factorization.

7003121313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922563422.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 7003121313121 its reverse (1213131213007), we get a palindrome (8216252526128).

The spelling of 7003121313121 in words is "seven trillion, three billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-one".