1120011022021 has 4 divisors (see below), whose sum is σ = 1120871908044. Its totient is φ = 1119150136000.

The previous prime is 1120011022007. The next prime is 1120011022063. The reversal of 1120011022021 is 1202201100211.

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 144438002500 + 975573019521 = 380050^2 + 987711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120011022021 - 2²⁹ = 1119474151109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120011021992 and 1120011022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120011022001) 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, 430441060 + ... + 430443661.

It is an arithmetic number, because the mean of its divisors is an integer number (280217977011).

Almost surely, 2^{1120011022021} is an apocalyptic number.

It is an amenable number.

1120011022021 is a deficient number, since it is larger than the sum of its proper divisors (860886023).

1120011022021 is an equidigital number, since it uses as much as digits as its factorization.

1120011022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860886022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1120011022021 its reverse (1202201100211), we get a palindrome (2322212122232).

The spelling of 1120011022021 in words is "one trillion, one hundred twenty billion, eleven million, twenty-two thousand, twenty-one".