1310003210121 has 8 divisors (see below), whose sum is σ = 1775304897024. Its totient is φ = 859018498320.

The previous prime is 1310003210053. The next prime is 1310003210129. The reversal of 1310003210121 is 1210123000131.

It is a happy number.

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

It is not a de Polignac number, because 1310003210121 - 2¹³ = 1310003201929 is a prime.

It is a super-2 number, since 2×1310003210121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310003210121.

It is not an unprimeable number, because it can be changed into a prime (1310003210129) 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, 3579243561 + ... + 3579243926.

It is an arithmetic number, because the mean of its divisors is an integer number (221913112128).

Almost surely, 2^{1310003210121} is an apocalyptic number.

It is an amenable number.

1310003210121 is a deficient number, since it is larger than the sum of its proper divisors (465301686903).

1310003210121 is an equidigital number, since it uses as much as digits as its factorization.

1310003210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158487551.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1310003210121 its reverse (1210123000131), we get a palindrome (2520126210252).

The spelling of 1310003210121 in words is "one trillion, three hundred ten billion, three million, two hundred ten thousand, one hundred twenty-one".