221100100223132 has 24 divisors (see below), whose sum is σ = 425554366391616. Its totient is φ = 99875004355008.

The previous prime is 221100100223113. The next prime is 221100100223161. The reversal of 221100100223132 is 231322001001122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45233242283 + ... + 45233247170.

It is an arithmetic number, because the mean of its divisors is an integer number (17731431932984).

Almost surely, 2^{221100100223132} is an apocalyptic number.

It is an amenable number.

221100100223132 is a deficient number, since it is larger than the sum of its proper divisors (204454266168484).

221100100223132 is a wasteful number, since it uses less digits than its factorization.

221100100223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90466489517 (or 90466489515 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221100100223132 its reverse (231322001001122), we get a palindrome (452422101224254).

The spelling of 221100100223132 in words is "two hundred twenty-one trillion, one hundred billion, one hundred million, two hundred twenty-three thousand, one hundred thirty-two".