1101202211221 has 8 divisors (see below), whose sum is σ = 1263738876224. Its totient is φ = 939971062080.

The previous prime is 1101202211191. The next prime is 1101202211267. The reversal of 1101202211221 is 1221122021011.

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 1101202211221 - 2⁷ = 1101202211093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101202211195 and 1101202211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101202211321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326377155 + ... + 326380528.

It is an arithmetic number, because the mean of its divisors is an integer number (157967359528).

Almost surely, 2^{1101202211221} is an apocalyptic number.

It is an amenable number.

1101202211221 is a deficient number, since it is larger than the sum of its proper divisors (162536665003).

1101202211221 is an equidigital number, since it uses as much as digits as its factorization.

1101202211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652757931.

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

Adding to 1101202211221 its reverse (1221122021011), we get a palindrome (2322324232232).

The spelling of 1101202211221 in words is "one trillion, one hundred one billion, two hundred two million, two hundred eleven thousand, two hundred twenty-one".