1121021001222 has 8 divisors (see below), whose sum is σ = 2242042002456. Its totient is φ = 373673667072.

The previous prime is 1121021001179. The next prime is 1121021001253. The reversal of 1121021001222 is 2221001201211.

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

1121021001222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93418416763 + ... + 93418416774.

It is an arithmetic number, because the mean of its divisors is an integer number (280255250307).

Almost surely, 2^{1121021001222} is an apocalyptic number.

1121021001222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121021001222 is a wasteful number, since it uses less digits than its factorization.

1121021001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186836833542.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121021001222 its reverse (2221001201211), we get a palindrome (3342022202433).

The spelling of 1121021001222 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one thousand, two hundred twenty-two".