1122100022 has 4 divisors (see below), whose sum is σ = 1683150036. Its totient is φ = 561050010.

The previous prime is 1122099959. The next prime is 1122100033. The reversal of 1122100022 is 2200012211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1122099976 and 1122100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280525004 + ... + 280525007.

It is an arithmetic number, because the mean of its divisors is an integer number (420787509).

Almost surely, 2^1122100022 is an apocalyptic number.

1122100022 is a deficient number, since it is larger than the sum of its proper divisors (561050014).

1122100022 is an equidigital number, since it uses as much as digits as its factorization.

1122100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561050013.

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

The square root of 1122100022 is about 33497.7614475953. The cubic root of 1122100022 is about 1039.1474836826.

Adding to 1122100022 its reverse (2200012211), we get a palindrome (3322112233).

The spelling of 1122100022 in words is "one billion, one hundred twenty-two million, one hundred thousand, twenty-two".