1101221333201 has 16 divisors (see below), whose sum is σ = 1221953040000. Its totient is φ = 983951318400.

The previous prime is 1101221333197. The next prime is 1101221333243. The reversal of 1101221333201 is 1023331221011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101221333201 - 2² = 1101221333197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101221333291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262925 + ... + 1507173.

It is an arithmetic number, because the mean of its divisors is an integer number (76372065000).

Almost surely, 2^{1101221333201} is an apocalyptic number.

1101221333201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101221333201 is a deficient number, since it is larger than the sum of its proper divisors (120731706799).

1101221333201 is a wasteful number, since it uses less digits than its factorization.

1101221333201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245640.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1101221333201 its reverse (1023331221011), we get a palindrome (2124552554212).

The spelling of 1101221333201 in words is "one trillion, one hundred one billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred one".