1001121210113 has 4 divisors (see below), whose sum is σ = 1022421661440. Its totient is φ = 979820758788.

The previous prime is 1001121210107. The next prime is 1001121210149. The reversal of 1001121210113 is 3110121211001.

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 1001121210113 - 2⁸ = 1001121209857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001121210613) 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, 10650225593 + ... + 10650225686.

It is an arithmetic number, because the mean of its divisors is an integer number (255605415360).

Almost surely, 2^{1001121210113} is an apocalyptic number.

It is an amenable number.

1001121210113 is a deficient number, since it is larger than the sum of its proper divisors (21300451327).

1001121210113 is an equidigital number, since it uses as much as digits as its factorization.

1001121210113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300451326.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1001121210113 its reverse (3110121211001), we get a palindrome (4111242421114).

The spelling of 1001121210113 in words is "one trillion, one billion, one hundred twenty-one million, two hundred ten thousand, one hundred thirteen".