221110100202001 has 8 divisors (see below), whose sum is σ = 222790287719808. Its totient is φ = 219432753240000.

The previous prime is 221110100201981. The next prime is 221110100202049. The reversal of 221110100202001 is 100202001011122.

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 221110100202001 - 2¹⁷ = 221110100070929 is a prime.

It is a super-2 number, since 2×221110100202001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110100242001) 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, 709982680 + ... + 710294041.

It is an arithmetic number, because the mean of its divisors is an integer number (27848785964976).

Almost surely, 2^{221110100202001} is an apocalyptic number.

It is an amenable number.

221110100202001 is a deficient number, since it is larger than the sum of its proper divisors (1680187517807).

221110100202001 is a wasteful number, since it uses less digits than its factorization.

221110100202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420277903.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221110100202001 its reverse (100202001011122), we get a palindrome (321312101213123).

The spelling of 221110100202001 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred million, two hundred two thousand, one".