1101312021013 has 8 divisors (see below), whose sum is σ = 1105725202560. Its totient is φ = 1096906314960.

The previous prime is 1101312021011. The next prime is 1101312021031. The reversal of 1101312021013 is 3101202131011.

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 1101312021013 - 2¹ = 1101312021011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101312021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573545 + ... + 2163022.

It is an arithmetic number, because the mean of its divisors is an integer number (138215650320).

Almost surely, 2^{1101312021013} is an apocalyptic number.

It is an amenable number.

1101312021013 is a deficient number, since it is larger than the sum of its proper divisors (4413181547).

1101312021013 is an equidigital number, since it uses as much as digits as its factorization.

1101312021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737747.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101312021013 its reverse (3101202131011), we get a palindrome (4202514152024).

The spelling of 1101312021013 in words is "one trillion, one hundred one billion, three hundred twelve million, twenty-one thousand, thirteen".