1101111011222 has 4 divisors (see below), whose sum is σ = 1651666516836. Its totient is φ = 550555505610.

The previous prime is 1101111011213. The next prime is 1101111011227. The reversal of 1101111011222 is 2221101111011.

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

It is a junction number, because it is equal to n+sod(n) for n = 1101111011197 and 1101111011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101111011227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275277752804 + ... + 275277752807.

It is an arithmetic number, because the mean of its divisors is an integer number (412916629209).

Almost surely, 2^{1101111011222} is an apocalyptic number.

1101111011222 is a deficient number, since it is larger than the sum of its proper divisors (550555505614).

1101111011222 is an equidigital number, since it uses as much as digits as its factorization.

1101111011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550555505613.

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

Adding to 1101111011222 its reverse (2221101111011), we get a palindrome (3322212122233).

It can be divided in two parts, 1101111011 and 222, that multiplied together give a palindrome (244446644442).

The spelling of 1101111011222 in words is "one trillion, one hundred one billion, one hundred eleven million, eleven thousand, two hundred twenty-two".