222200010110021 has 16 divisors (see below), whose sum is σ = 222479474152320. Its totient is φ = 221920785503040.

The previous prime is 222200010109997. The next prime is 222200010110027. The reversal of 222200010110021 is 120011010002222.

It is a cyclic number.

It is not a de Polignac number, because 222200010110021 - 2³⁰ = 222198936368197 is a prime.

It is a super-2 number, since 2×222200010110021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222200010109978 and 222200010110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200010110027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18941261726 + ... + 18941273456.

It is an arithmetic number, because the mean of its divisors is an integer number (13904967134520).

Almost surely, 2^{222200010110021} is an apocalyptic number.

It is an amenable number.

222200010110021 is a deficient number, since it is larger than the sum of its proper divisors (279464042299).

222200010110021 is a wasteful number, since it uses less digits than its factorization.

222200010110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222200010110021 its reverse (120011010002222), we get a palindrome (342211020112243).

The spelling of 222200010110021 in words is "two hundred twenty-two trillion, two hundred billion, ten million, one hundred ten thousand, twenty-one".