221131100231110 has 8 divisors (see below), whose sum is σ = 398035980416016. Its totient is φ = 88452440092440.

The previous prime is 221131100231101. The next prime is 221131100231137. The reversal of 221131100231110 is 11132001131122.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11056555011546 + ... + 11056555011565.

It is an arithmetic number, because the mean of its divisors is an integer number (49754497552002).

Almost surely, 2^{221131100231110} is an apocalyptic number.

221131100231110 is a deficient number, since it is larger than the sum of its proper divisors (176904880184906).

221131100231110 is a wasteful number, since it uses less digits than its factorization.

221131100231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22113110023118.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 221131100231110 its reverse (11132001131122), we get a palindrome (232263101362232).

The spelling of 221131100231110 in words is "two hundred twenty-one trillion, one hundred thirty-one billion, one hundred million, two hundred thirty-one thousand, one hundred ten".