1202222221112 has 32 divisors (see below), whose sum is σ = 2459134911600. Its totient is φ = 546454867200.

The previous prime is 1202222221103. The next prime is 1202222221127. The reversal of 1202222221112 is 2111222222021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7529564 + ... + 7687572.

Almost surely, 2^{1202222221112} is an apocalyptic number.

It is an amenable number.

1202222221112 is an abundant number, since it is smaller than the sum of its proper divisors (1256912690488).

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

1202222221112 is a wasteful number, since it uses less digits than its factorization.

1202222221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244487 (or 244483 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1202222221112 its reverse (2111222222021), we get a palindrome (3313444443133).

Subtracting 1202222221112 from its reverse (2111222222021), we obtain a palindrome (909000000909).

The spelling of 1202222221112 in words is "one trillion, two hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".