1121222002 has 8 divisors (see below), whose sum is σ = 1684909296. Its totient is φ = 559585572.

The previous prime is 1121221999. The next prime is 1121222051. The reversal of 1121222002 is 2002221211.

It is a happy number.

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

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, 511348 + ... + 513535.

It is an arithmetic number, because the mean of its divisors is an integer number (210613662).

Almost surely, 2^1121222002 is an apocalyptic number.

1121222002 is a deficient number, since it is larger than the sum of its proper divisors (563687294).

1121222002 is a wasteful number, since it uses less digits than its factorization.

1121222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025432.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1121222002 is about 33484.6532309952. The cubic root of 1121222002 is about 1038.8763758386.

Adding to 1121222002 its reverse (2002221211), we get a palindrome (3123443213).

The spelling of 1121222002 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, two".