1013211001121 has 4 divisors (see below), whose sum is σ = 1105321092144. Its totient is φ = 921100910100.

The previous prime is 1013211001111. The next prime is 1013211001147. The reversal of 1013211001121 is 1211001123101.

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 a de Polignac number, because none of the positive numbers 2^k-1013211001121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013211001096 and 1013211001105.

It is not an unprimeable number, because it can be changed into a prime (1013211001111) 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 3 ways as a sum of consecutive naturals, for example, 46055045495 + ... + 46055045516.

It is an arithmetic number, because the mean of its divisors is an integer number (276330273036).

Almost surely, 2^{1013211001121} is an apocalyptic number.

1013211001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013211001121 is a deficient number, since it is larger than the sum of its proper divisors (92110091023).

1013211001121 is an equidigital number, since it uses as much as digits as its factorization.

1013211001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92110091022.

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

Adding to 1013211001121 its reverse (1211001123101), we get a palindrome (2224212124222).

The spelling of 1013211001121 in words is "one trillion, thirteen billion, two hundred eleven million, one thousand, one hundred twenty-one".