221110102001 has 8 divisors (see below), whose sum is σ = 225290277504. Its totient is φ = 216930233520.

The previous prime is 221110101941. The next prime is 221110102009. The reversal of 221110102001 is 100201011122.

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 221110102001 - 2¹⁰ = 221110100977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221110102009) 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, 1812410 + ... + 1930556.

It is an arithmetic number, because the mean of its divisors is an integer number (28161284688).

Almost surely, 2^221110102001 is an apocalyptic number.

It is an amenable number.

221110102001 is a deficient number, since it is larger than the sum of its proper divisors (4180175503).

221110102001 is a wasteful number, since it uses less digits than its factorization.

221110102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153511.

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

Adding to 221110102001 its reverse (100201011122), we get a palindrome (321311113123).

The spelling of 221110102001 in words is "two hundred twenty-one billion, one hundred ten million, one hundred two thousand, one".