1122066021 has 16 divisors (see below), whose sum is σ = 1525682304. Its totient is φ = 733272384.

The previous prime is 1122066007. The next prime is 1122066041. The reversal of 1122066021 is 1206602211.

It is not a de Polignac number, because 1122066021 - 2¹⁸ = 1121803877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122066041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227635 + ... + 232511.

It is an arithmetic number, because the mean of its divisors is an integer number (95355144).

Almost surely, 2^1122066021 is an apocalyptic number.

It is an amenable number.

1122066021 is a deficient number, since it is larger than the sum of its proper divisors (403616283).

1122066021 is a wasteful number, since it uses less digits than its factorization.

1122066021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1122066021 is about 33497.2539322255. The cubic root of 1122066021 is about 1039.1369877643.

Adding to 1122066021 its reverse (1206602211), we get a palindrome (2328668232).

The spelling of 1122066021 in words is "one billion, one hundred twenty-two million, sixty-six thousand, twenty-one".