1121221230222 has 32 divisors (see below), whose sum is σ = 2262395722752. Its totient is φ = 370429295264.

The previous prime is 1121221230169. The next prime is 1121221230251. The reversal of 1121221230222 is 2220321221211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492518 + ... + 2114249.

It is an arithmetic number, because the mean of its divisors is an integer number (70699866336).

Almost surely, 2^{1121221230222} is an apocalyptic number.

1121221230222 is an abundant number, since it is smaller than the sum of its proper divisors (1141174492530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121221230222 is a wasteful number, since it uses less digits than its factorization.

1121221230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607232.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1121221230222 its reverse (2220321221211), we get a palindrome (3341542451433).

The spelling of 1121221230222 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred thirty thousand, two hundred twenty-two".