221001013321132 has 48 divisors (see below), whose sum is σ = 426251771775648. Its totient is φ = 99425846661120.

The previous prime is 221001013321111. The next prime is 221001013321181. The reversal of 221001013321132 is 231123310100122.

It is a super-2 number, since 2×221001013321132² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52363833 + ... + 56426704.

It is an arithmetic number, because the mean of its divisors is an integer number (8880245245326).

Almost surely, 2^{221001013321132} is an apocalyptic number.

221001013321132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221001013321132 is a deficient number, since it is larger than the sum of its proper divisors (205250758454516).

221001013321132 is a wasteful number, since it uses less digits than its factorization.

221001013321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108791026 (or 108791024 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221001013321132 its reverse (231123310100122), we get a palindrome (452124323421254).

The spelling of 221001013321132 in words is "two hundred twenty-one trillion, one billion, thirteen million, three hundred twenty-one thousand, one hundred thirty-two".