1120111003021 has 4 divisors (see below), whose sum is σ = 1130985867232. Its totient is φ = 1109236138812.

The previous prime is 1120111003019. The next prime is 1120111003069. The reversal of 1120111003021 is 1203001110211.

It is a happy number.

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 1120111003021 - 2¹ = 1120111003019 is a prime.

It is a super-2 number, since 2×1120111003021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120111002992 and 1120111003010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120111004021) 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, 5437431951 + ... + 5437432156.

It is an arithmetic number, because the mean of its divisors is an integer number (282746466808).

Almost surely, 2^{1120111003021} is an apocalyptic number.

It is an amenable number.

1120111003021 is a deficient number, since it is larger than the sum of its proper divisors (10874864211).

1120111003021 is a wasteful number, since it uses less digits than its factorization.

1120111003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874864210.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1120111003021 its reverse (1203001110211), we get a palindrome (2323112113232).

The spelling of 1120111003021 in words is "one trillion, one hundred twenty billion, one hundred eleven million, three thousand, twenty-one".