221003012231133 has 32 divisors (see below), whose sum is σ = 326765107210752. Its totient is φ = 131744529134400.

The previous prime is 221003012231123. The next prime is 221003012231137. The reversal of 221003012231133 is 331132210300122.

It is not a de Polignac number, because 221003012231133 - 2⁴ = 221003012231117 is a prime.

It is a super-2 number, since 2×221003012231133² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221003012231137) 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, 177103978 + ... + 178347483.

It is an arithmetic number, because the mean of its divisors is an integer number (10211409600336).

Almost surely, 2^{221003012231133} is an apocalyptic number.

It is an amenable number.

221003012231133 is a deficient number, since it is larger than the sum of its proper divisors (105762094979619).

221003012231133 is a wasteful number, since it uses less digits than its factorization.

221003012231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355451785.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221003012231133 its reverse (331132210300122), we get a palindrome (552135222531255).

The spelling of 221003012231133 in words is "two hundred twenty-one trillion, three billion, twelve million, two hundred thirty-one thousand, one hundred thirty-three".