221010100122104 has 16 divisors (see below), whose sum is σ = 414396189809520. Its totient is φ = 110504449506240.

The previous prime is 221010100122101. The next prime is 221010100122143. The reversal of 221010100122104 is 401221001010122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010100122101) 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, 73503389 + ... + 76451084.

It is an arithmetic number, because the mean of its divisors is an integer number (25899761863095).

Almost surely, 2^{221010100122104} is an apocalyptic number.

It is an amenable number.

221010100122104 is a deficient number, since it is larger than the sum of its proper divisors (193386089687416).

221010100122104 is a wasteful number, since it uses less digits than its factorization.

221010100122104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150138710 (or 150138706 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010100122104 its reverse (401221001010122), we get a palindrome (622231101132226).

The spelling of 221010100122104 in words is "two hundred twenty-one trillion, ten billion, one hundred million, one hundred twenty-two thousand, one hundred four".