11123111001122 has 4 divisors (see below), whose sum is σ = 16684666501686. Its totient is φ = 5561555500560.

The previous prime is 11123111001109. The next prime is 11123111001133. The reversal of 11123111001122 is 22110011132111.

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., 11090904750601 + 32206250521 = 3330301^2 + 179461^2 .

It is a super-2 number, since 2×11123111001122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11123111001122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780777750279 + ... + 2780777750282.

Almost surely, 2^{11123111001122} is an apocalyptic number.

11123111001122 is a deficient number, since it is larger than the sum of its proper divisors (5561555500564).

11123111001122 is an equidigital number, since it uses as much as digits as its factorization.

11123111001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561555500563.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11123111001122 its reverse (22110011132111), we get a palindrome (33233122133233).

The spelling of 11123111001122 in words is "eleven trillion, one hundred twenty-three billion, one hundred eleven million, one thousand, one hundred twenty-two".