1001210121013 has 8 divisors (see below), whose sum is σ = 1053917444000. Its totient is φ = 948504003408.

The previous prime is 1001210121011. The next prime is 1001210121077. The reversal of 1001210121013 is 3101210121001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1001210121013 - 2¹ = 1001210121011 is a prime.

It is a super-2 number, since 2×1001210121013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001210120984 and 1001210121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001210121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768063 + ... + 2264611.

It is an arithmetic number, because the mean of its divisors is an integer number (131739680500).

Almost surely, 2^{1001210121013} is an apocalyptic number.

It is an amenable number.

1001210121013 is a deficient number, since it is larger than the sum of its proper divisors (52707322987).

1001210121013 is a wasteful number, since it uses less digits than its factorization.

1001210121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602691.

The product of its (nonzero) digits is 12, while the sum is 13.

Subtracting from 1001210121013 its product of nonzero digits (12), we obtain a palindrome (1001210121001).

Adding to 1001210121013 its reverse (3101210121001), we get a palindrome (4102420242014).

The spelling of 1001210121013 in words is "one trillion, one billion, two hundred ten million, one hundred twenty-one thousand, thirteen".