1121000222 has 8 divisors (see below), whose sum is σ = 1684805400. Its totient is φ = 559398424.

The previous prime is 1121000219. The next prime is 1121000263. The reversal of 1121000222 is 2220001211.

It is a happy number.

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

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, 549572 + ... + 551607.

It is an arithmetic number, because the mean of its divisors is an integer number (210600675).

Almost surely, 2^1121000222 is an apocalyptic number.

1121000222 is a deficient number, since it is larger than the sum of its proper divisors (563805178).

1121000222 is a wasteful number, since it uses less digits than its factorization.

1121000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101690.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1121000222 is about 33481.3414008459. The cubic root of 1121000222 is about 1038.8078740328.

Adding to 1121000222 its reverse (2220001211), we get a palindrome (3341001433).

The spelling of 1121000222 in words is "one billion, one hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.