221010221101101 has 8 divisors (see below), whose sum is σ = 294688637390880. Its totient is φ = 147335976106032.

The previous prime is 221010221101073. The next prime is 221010221101141. The reversal of 221010221101101 is 101101122010122.

It is a happy number.

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

It is not a de Polignac number, because 221010221101101 - 2¹⁵ = 221010221068333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010221101141) 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, 1042700046 + ... + 1042911983.

It is an arithmetic number, because the mean of its divisors is an integer number (36836079673860).

Almost surely, 2^{221010221101101} is an apocalyptic number.

It is an amenable number.

221010221101101 is a deficient number, since it is larger than the sum of its proper divisors (73678416289779).

221010221101101 is a wasteful number, since it uses less digits than its factorization.

221010221101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085647355.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221010221101101 its reverse (101101122010122), we get a palindrome (322111343111223).

The spelling of 221010221101101 in words is "two hundred twenty-one trillion, ten billion, two hundred twenty-one million, one hundred one thousand, one hundred one".