1101112013021 has 4 divisors (see below), whose sum is σ = 1101306802332. Its totient is φ = 1100917223712.

The previous prime is 1101112012999. The next prime is 1101112013059. The reversal of 1101112013021 is 1203102111011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 726561892996 + 374550120025 = 852386^2 + 612005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101112013021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101112012987 and 1101112013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101112013921) 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, 97386176 + ... + 97397481.

It is an arithmetic number, because the mean of its divisors is an integer number (275326700583).

Almost surely, 2^{1101112013021} is an apocalyptic number.

It is an amenable number.

1101112013021 is a deficient number, since it is larger than the sum of its proper divisors (194789311).

1101112013021 is an equidigital number, since it uses as much as digits as its factorization.

1101112013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194789310.

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

Adding to 1101112013021 its reverse (1203102111011), we get a palindrome (2304214124032).

The spelling of 1101112013021 in words is "one trillion, one hundred one billion, one hundred twelve million, thirteen thousand, twenty-one".