221023110001 has 8 divisors (see below), whose sum is σ = 227486978208. Its totient is φ = 214610340000.

The previous prime is 221023109999. The next prime is 221023110041. The reversal of 221023110001 is 100011320122.

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 221023110001 - 2¹ = 221023109999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221023110041) 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, 12765775 + ... + 12783076.

It is an arithmetic number, because the mean of its divisors is an integer number (28435872276).

Almost surely, 2^221023110001 is an apocalyptic number.

It is an amenable number.

221023110001 is a deficient number, since it is larger than the sum of its proper divisors (6463868207).

221023110001 is a wasteful number, since it uses less digits than its factorization.

221023110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25549103.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221023110001 its reverse (100011320122), we get a palindrome (321034430123).

The spelling of 221023110001 in words is "two hundred twenty-one billion, twenty-three million, one hundred ten thousand, one".