1122043011021 has 6 divisors (see below), whose sum is σ = 1620728793710. Its totient is φ = 748028674008.

The previous prime is 1122043011013. The next prime is 1122043011049. The reversal of 1122043011021 is 1201103402211.

1122043011021 is a `hidden beast` number, since 1 + 1 + 220 + 430 + 1 + 10 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1121417460900 + 625550121 = 1058970^2 + 25011^2 .

It is not a de Polignac number, because 1122043011021 - 2³ = 1122043011013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122043010985 and 1122043011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122043012021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62335722826 + ... + 62335722843.

Almost surely, 2^{1122043011021} is an apocalyptic number.

It is an amenable number.

1122043011021 is a deficient number, since it is larger than the sum of its proper divisors (498685782689).

1122043011021 is a wasteful number, since it uses less digits than its factorization.

1122043011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124671445675 (or 124671445672 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1122043011021 its reverse (1201103402211), we get a palindrome (2323146413232).

The spelling of 1122043011021 in words is "one trillion, one hundred twenty-two billion, forty-three million, eleven thousand, twenty-one".