1111000002122 has 4 divisors (see below), whose sum is σ = 1666500003186. Its totient is φ = 555500001060.

The previous prime is 1111000002109. The next prime is 1111000002173. The reversal of 1111000002122 is 2212000001111.

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

It can be written as a sum of positive squares in only one way, i.e., 1014010734361 + 96989267761 = 1006981^2 + 311431^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277750000529 + ... + 277750000532.

Almost surely, 2^{1111000002122} is an apocalyptic number.

1111000002122 is a deficient number, since it is larger than the sum of its proper divisors (555500001064).

1111000002122 is an equidigital number, since it uses as much as digits as its factorization.

1111000002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555500001063.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1111000002122 its reverse (2212000001111), we get a palindrome (3323000003233).

The spelling of 1111000002122 in words is "one trillion, one hundred eleven billion, two thousand, one hundred twenty-two".