1122021002 has 8 divisors (see below), whose sum is σ = 1683623136. Its totient is φ = 560813292.

The previous prime is 1122021001. The next prime is 1122021011. The reversal of 1122021002 is 2001202211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1122021002³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1122021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91388 + ... + 102935.

It is an arithmetic number, because the mean of its divisors is an integer number (210452892).

Almost surely, 2^1122021002 is an apocalyptic number.

1122021002 is a deficient number, since it is larger than the sum of its proper divisors (561602134).

1122021002 is a wasteful number, since it uses less digits than its factorization.

1122021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197212.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1122021002 is about 33496.5819450284. The cubic root of 1122021002 is about 1039.1230903249.

Adding to 1122021002 its reverse (2001202211), we get a palindrome (3123223213).

The spelling of 1122021002 in words is "one billion, one hundred twenty-two million, twenty-one thousand, two".