1001010121213 has 4 divisors (see below), whose sum is σ = 1005198448320. Its totient is φ = 996821794108.

The previous prime is 1001010121211. The next prime is 1001010121303. The reversal of 1001010121213 is 3121210101001.

It is a happy number.

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 1001010121213 - 2¹ = 1001010121211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001010121193 and 1001010121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001010121211) 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, 2094163195 + ... + 2094163672.

It is an arithmetic number, because the mean of its divisors is an integer number (251299612080).

Almost surely, 2^{1001010121213} is an apocalyptic number.

It is an amenable number.

1001010121213 is a deficient number, since it is larger than the sum of its proper divisors (4188327107).

1001010121213 is an equidigital number, since it uses as much as digits as its factorization.

1001010121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188327106.

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

Adding to 1001010121213 its reverse (3121210101001), we get a palindrome (4122220222214).

The spelling of 1001010121213 in words is "one trillion, one billion, ten million, one hundred twenty-one thousand, two hundred thirteen".