1101201221222 has 4 divisors (see below), whose sum is σ = 1651801831836. Its totient is φ = 550600610610.

The previous prime is 1101201221207. The next prime is 1101201221243. The reversal of 1101201221222 is 2221221021011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1101201221222.

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, 275300305304 + ... + 275300305307.

It is an arithmetic number, because the mean of its divisors is an integer number (412950457959).

Almost surely, 2^{1101201221222} is an apocalyptic number.

1101201221222 is a deficient number, since it is larger than the sum of its proper divisors (550600610614).

1101201221222 is an equidigital number, since it uses as much as digits as its factorization.

1101201221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550600610613.

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

Adding to 1101201221222 its reverse (2221221021011), we get a palindrome (3322422242233).

The spelling of 1101201221222 in words is "one trillion, one hundred one billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-two".