1121002112222 has 4 divisors (see below), whose sum is σ = 1681503168336. Its totient is φ = 560501056110.

The previous prime is 1121002112213. The next prime is 1121002112231. The reversal of 1121002112222 is 2222112001211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1121002112213) and next prime (1121002112231).

It is a self number, because there is not a number n which added to its sum of digits gives 1121002112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280250528054 + ... + 280250528057.

It is an arithmetic number, because the mean of its divisors is an integer number (420375792084).

Almost surely, 2^{1121002112222} is an apocalyptic number.

1121002112222 is a deficient number, since it is larger than the sum of its proper divisors (560501056114).

1121002112222 is an equidigital number, since it uses as much as digits as its factorization.

1121002112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560501056113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121002112222 its reverse (2222112001211), we get a palindrome (3343114113433).

The spelling of 1121002112222 in words is "one trillion, one hundred twenty-one billion, two million, one hundred twelve thousand, two hundred twenty-two".