1100211111122 has 4 divisors (see below), whose sum is σ = 1650316666686. Its totient is φ = 550105555560.

The previous prime is 1100211111121. The next prime is 1100211111151. The reversal of 1100211111122 is 2211111120011.

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., 1020845516161 + 79365594961 = 1010369^2 + 281719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100211111097 and 1100211111106.

It is not an unprimeable number, because it can be changed into a prime (1100211111121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275052777779 + ... + 275052777782.

Almost surely, 2^{1100211111122} is an apocalyptic number.

1100211111122 is a deficient number, since it is larger than the sum of its proper divisors (550105555564).

1100211111122 is an equidigital number, since it uses as much as digits as its factorization.

1100211111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550105555563.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1100211111122 its reverse (2211111120011), we get a palindrome (3311322231133).

The spelling of 1100211111122 in words is "one trillion, one hundred billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-two".