1122333021 has 48 divisors (see below), whose sum is σ = 1772259840. Its totient is φ = 681799680.

The previous prime is 1122333007. The next prime is 1122333029. The reversal of 1122333021 is 1203332211.

It is not a de Polignac number, because 1122333021 - 2⁵ = 1122332989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122332985 and 1122333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122333029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1022545 + ... + 1023641.

It is an arithmetic number, because the mean of its divisors is an integer number (36922080).

Almost surely, 2^1122333021 is an apocalyptic number.

It is an amenable number.

1122333021 is a deficient number, since it is larger than the sum of its proper divisors (649926819).

1122333021 is a wasteful number, since it uses less digits than its factorization.

1122333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1122333021 is about 33501.2390964872. The cubic root of 1122333021 is about 1039.2194034650.

Adding to 1122333021 its reverse (1203332211), we get a palindrome (2325665232).

It can be divided in two parts, 11223 and 33021, that added together give a palindrome (44244).

The spelling of 1122333021 in words is "one billion, one hundred twenty-two million, three hundred thirty-three thousand, twenty-one".