1101310112021 has 16 divisors (see below), whose sum is σ = 1285808271360. Its totient is φ = 923616131760.

The previous prime is 1101310112017. The next prime is 1101310112047. The reversal of 1101310112021 is 1202110131011.

It is not a de Polignac number, because 1101310112021 - 2² = 1101310112017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101310111987 and 1101310112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101310112051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587666 + ... + 1596236.

It is an arithmetic number, because the mean of its divisors is an integer number (80363016960).

Almost surely, 2^{1101310112021} is an apocalyptic number.

It is an amenable number.

1101310112021 is a deficient number, since it is larger than the sum of its proper divisors (184498159339).

1101310112021 is a wasteful number, since it uses less digits than its factorization.

1101310112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011944.

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

Adding to 1101310112021 its reverse (1202110131011), we get a palindrome (2303420243032).

The spelling of 1101310112021 in words is "one trillion, one hundred one billion, three hundred ten million, one hundred twelve thousand, twenty-one".