1121221302 has 16 divisors (see below), whose sum is σ = 2294592960. Its totient is φ = 365048712.

The previous prime is 1121221291. The next prime is 1121221373. The reversal of 1121221302 is 2031221211.

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, 2172652 + ... + 2173167.

It is an arithmetic number, because the mean of its divisors is an integer number (143412060).

Almost surely, 2^1121221302 is an apocalyptic number.

1121221302 is an abundant number, since it is smaller than the sum of its proper divisors (1173371658).

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

1121221302 is a wasteful number, since it uses less digits than its factorization.

1121221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345867.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121221302 is about 33484.6427784440. The cubic root of 1121221302 is about 1038.8761596419.

Adding to 1121221302 its reverse (2031221211), we get a palindrome (3152442513).

Subtracting 1121221302 from its reverse (2031221211), we obtain a palindrome (909999909).

The spelling of 1121221302 in words is "one billion, one hundred twenty-one million, two hundred twenty-one thousand, three hundred two".