1101133033221 has 32 divisors (see below), whose sum is σ = 1595568748032. Its totient is φ = 671428961280.

The previous prime is 1101133033183. The next prime is 1101133033229. The reversal of 1101133033221 is 1223303311011.

It is a happy number.

It is not a de Polignac number, because 1101133033221 - 2¹³ = 1101133025029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101133033229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15967411 + ... + 16036223.

It is an arithmetic number, because the mean of its divisors is an integer number (49861523376).

Almost surely, 2^{1101133033221} is an apocalyptic number.

It is an amenable number.

1101133033221 is a deficient number, since it is larger than the sum of its proper divisors (494435714811).

1101133033221 is a wasteful number, since it uses less digits than its factorization.

1101133033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72573.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1101133033221 its reverse (1223303311011), we get a palindrome (2324436344232).

The spelling of 1101133033221 in words is "one trillion, one hundred one billion, one hundred thirty-three million, thirty-three thousand, two hundred twenty-one".