1101221212201 has 8 divisors (see below), whose sum is σ = 1206488166624. Its totient is φ = 996813580320.

The previous prime is 1101221212193. The next prime is 1101221212283. The reversal of 1101221212201 is 1022121221011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101221212201 - 2³ = 1101221212193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101221212601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214827951 + ... + 214833076.

It is an arithmetic number, because the mean of its divisors is an integer number (150811020828).

Almost surely, 2^{1101221212201} is an apocalyptic number.

1101221212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101221212201 is a deficient number, since it is larger than the sum of its proper divisors (105266954423).

1101221212201 is a wasteful number, since it uses less digits than its factorization.

1101221212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429661271.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101221212201 its reverse (1022121221011), we get a palindrome (2123342433212).

The spelling of 1101221212201 in words is "one trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".