1121011222 has 4 divisors (see below), whose sum is σ = 1681516836. Its totient is φ = 560505610.

The previous prime is 1121011207. The next prime is 1121011273. The reversal of 1121011222 is 2221101211.

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

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, 280252804 + ... + 280252807.

It is an arithmetic number, because the mean of its divisors is an integer number (420379209).

Almost surely, 2^1121011222 is an apocalyptic number.

1121011222 is a deficient number, since it is larger than the sum of its proper divisors (560505614).

1121011222 is an equidigital number, since it uses as much as digits as its factorization.

1121011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560505613.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1121011222 is about 33481.5056710417. The cubic root of 1121011222 is about 1038.8112718463.

Adding to 1121011222 its reverse (2221101211), we get a palindrome (3342112433).

The spelling of 1121011222 in words is "one billion, one hundred twenty-one million, eleven thousand, two hundred twenty-two".