1002121301013 has 16 divisors (see below), whose sum is σ = 1527305134080. Its totient is φ = 572542061616.

The previous prime is 1002121301009. The next prime is 1002121301017. The reversal of 1002121301013 is 3101031212001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1002121301009) and next prime (1002121301017).

It is not a de Polignac number, because 1002121301013 - 2² = 1002121301009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002121300983 and 1002121301001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002121301017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3986893 + ... + 4230786.

It is an arithmetic number, because the mean of its divisors is an integer number (95456570880).

Almost surely, 2^{1002121301013} is an apocalyptic number.

It is an amenable number.

1002121301013 is a deficient number, since it is larger than the sum of its proper divisors (525183833067).

1002121301013 is an equidigital number, since it uses as much as digits as its factorization.

1002121301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223496.

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

Adding to 1002121301013 its reverse (3101031212001), we get a palindrome (4103152513014).

The spelling of 1002121301013 in words is "one trillion, two billion, one hundred twenty-one million, three hundred one thousand, thirteen".