1101221332001 has 16 divisors (see below), whose sum is σ = 1280275476480. Its totient is φ = 927611532240.

The previous prime is 1101221331971. The next prime is 1101221332009. The reversal of 1101221332001 is 1002331221011.

It is a de Polignac number, because none of the positive numbers 2^k-1101221332001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101221332009) 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, 887006 + ... + 1728936.

It is an arithmetic number, because the mean of its divisors is an integer number (80017217280).

Almost surely, 2^{1101221332001} is an apocalyptic number.

It is an amenable number.

1101221332001 is a deficient number, since it is larger than the sum of its proper divisors (179054144479).

1101221332001 is an equidigital number, since it uses as much as digits as its factorization.

1101221332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845164.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1101221332001 its reverse (1002331221011), we get a palindrome (2103552553012).

The spelling of 1101221332001 in words is "one trillion, one hundred one billion, two hundred twenty-one million, three hundred thirty-two thousand, one".