221033033133031 has 32 divisors (see below), whose sum is σ = 266831351840768. Its totient is φ = 179075250839520.

The previous prime is 221033033132999. The next prime is 221033033133097. The reversal of 221033033133031 is 130331330330122.

It is not a de Polignac number, because 221033033133031 - 2⁵ = 221033033132999 is a prime.

It is a super-2 number, since 2×221033033133031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221033033133331) 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, 275675986 + ... + 276476608.

It is an arithmetic number, because the mean of its divisors is an integer number (8338479745024).

Almost surely, 2^{221033033133031} is an apocalyptic number.

221033033133031 is a deficient number, since it is larger than the sum of its proper divisors (45798318707737).

221033033133031 is a wasteful number, since it uses less digits than its factorization.

221033033133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830291.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 221033033133031 its reverse (130331330330122), we get a palindrome (351364363463153).

The spelling of 221033033133031 in words is "two hundred twenty-one trillion, thirty-three billion, thirty-three million, one hundred thirty-three thousand, thirty-one".