1122023121021 has 48 divisors (see below), whose sum is σ = 1829460634560. Its totient is φ = 656401052160.

The previous prime is 1122023120993. The next prime is 1122023121041. The reversal of 1122023121021 is 1201213202211.

1122023121021 is a `hidden beast` number, since 1 + 1 + 220 + 231 + 210 + 2 + 1 = 666.

It is not a de Polignac number, because 1122023121021 - 2⁵ = 1122023120989 is a prime.

It is a super-2 number, since 2×1122023121021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122023120985 and 1122023121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122023121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11945386 + ... + 12038948.

It is an arithmetic number, because the mean of its divisors is an integer number (38113763220).

Almost surely, 2^{1122023121021} is an apocalyptic number.

1122023121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122023121021 is a deficient number, since it is larger than the sum of its proper divisors (707437513539).

1122023121021 is a wasteful number, since it uses less digits than its factorization.

1122023121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97786 (or 97783 counting only the distinct ones).

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

Adding to 1122023121021 its reverse (1201213202211), we get a palindrome (2323236323232).

The spelling of 1122023121021 in words is "one trillion, one hundred twenty-two billion, twenty-three million, one hundred twenty-one thousand, twenty-one".