1123332101021 has 24 divisors (see below), whose sum is σ = 1283754193920. Its totient is φ = 979781152896.

The previous prime is 1123332100999. The next prime is 1123332101027. The reversal of 1123332101021 is 1201012333211.

It is a happy number.

It is not a de Polignac number, because 1123332101021 - 2³⁰ = 1122258359197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123332100984 and 1123332101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123332101027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773105 + ... + 1686521.

It is an arithmetic number, because the mean of its divisors is an integer number (53489758080).

Almost surely, 2^{1123332101021} is an apocalyptic number.

It is an amenable number.

1123332101021 is a deficient number, since it is larger than the sum of its proper divisors (160422092899).

1123332101021 is a wasteful number, since it uses less digits than its factorization.

1123332101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913845 (or 913832 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1123332101021 its reverse (1201012333211), we get a palindrome (2324344434232).

The spelling of 1123332101021 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-two million, one hundred one thousand, twenty-one".