110020022221 has 16 divisors (see below), whose sum is σ = 121617963648.
Its totient is φ = 98996198400.
The previous prime is 110020022183. The next prime is 110020022293. The reversal of 110020022221 is 122220020011.
Adding to 110020022221 its reverse (122220020011), we get a palindrome (232240042232).
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-110020022221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (110020002221) 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, 716341 + ... + 856261.
It is an arithmetic number, because the mean of its divisors is an integer number (7601122728).
Almost surely, 2110020022221 is an apocalyptic number.
It is an amenable number.
110020022221 is a deficient number, since it is larger than the sum of its proper divisors (11597941427).
110020022221 is a wasteful number, since it uses less digits than its factorization.
110020022221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141972.
The product of its (nonzero) digits is 32, while the sum is 13.
The spelling of 110020022221 in words is "one hundred ten billion, twenty million, twenty-two thousand, two hundred twenty-one".