1133433211221 has 32 divisors (see below), whose sum is σ = 1725447419520. Its totient is φ = 734814364032.

The previous prime is 1133433211189. The next prime is 1133433211231. The reversal of 1133433211221 is 1221123343311.

1133433211221 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 433 + 2 + 1 + 1 + 221 = 666.

It is not a de Polignac number, because 1133433211221 - 2⁵ = 1133433211189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133433211231) 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, 1614546 + ... + 2207628.

It is an arithmetic number, because the mean of its divisors is an integer number (53920231860).

Almost surely, 2^{1133433211221} is an apocalyptic number.

It is an amenable number.

1133433211221 is a deficient number, since it is larger than the sum of its proper divisors (592014208299).

1133433211221 is a wasteful number, since it uses less digits than its factorization.

1133433211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595042 (or 595036 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1133433211221 its reverse (1221123343311), we get a palindrome (2354556554532).

The spelling of 1133433211221 in words is "one trillion, one hundred thirty-three billion, four hundred thirty-three million, two hundred eleven thousand, two hundred twenty-one".