221002110110 has 8 divisors (see below), whose sum is σ = 397803798216. Its totient is φ = 88400844040.

The previous prime is 221002110079. The next prime is 221002110113. The reversal of 221002110110 is 11011200122.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221002110091 and 221002110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002110113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050105496 + ... + 11050105515.

It is an arithmetic number, because the mean of its divisors is an integer number (49725474777).

Almost surely, 2^221002110110 is an apocalyptic number.

221002110110 is a deficient number, since it is larger than the sum of its proper divisors (176801688106).

221002110110 is a wasteful number, since it uses less digits than its factorization.

221002110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22100211018.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221002110110 its reverse (11011200122), we get a palindrome (232013310232).

The spelling of 221002110110 in words is "two hundred twenty-one billion, two million, one hundred ten thousand, one hundred ten".