221012133403 has 8 divisors (see below), whose sum is σ = 222209946288. Its totient is φ = 219817469664.

The previous prime is 221012133401. The next prime is 221012133467. The reversal of 221012133403 is 304331210122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221012133403 - 2¹ = 221012133401 is a prime.

It is a super-2 number, since 2×221012133403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221012133401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646476 + ... + 927337.

It is an arithmetic number, because the mean of its divisors is an integer number (27776243286).

Almost surely, 2^221012133403 is an apocalyptic number.

221012133403 is a deficient number, since it is larger than the sum of its proper divisors (1197812885).

221012133403 is a wasteful number, since it uses less digits than its factorization.

221012133403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574573.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221012133403 its reverse (304331210122), we get a palindrome (525343343525).

The spelling of 221012133403 in words is "two hundred twenty-one billion, twelve million, one hundred thirty-three thousand, four hundred three".