22201110100220 has 24 divisors (see below), whose sum is σ = 46626504447264. Its totient is φ = 8879649137856.

The previous prime is 22201110100199. The next prime is 22201110100223. The reversal of 22201110100220 is 2200101110222.

It is a junction number, because it is equal to n+sod(n) for n = 22201110100195 and 22201110100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201110100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49452344 + ... + 49899263.

It is an arithmetic number, because the mean of its divisors is an integer number (1942771018636).

Almost surely, 2^{22201110100220} is an apocalyptic number.

22201110100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201110100220 is an abundant number, since it is smaller than the sum of its proper divisors (24425394347044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201110100220 is a wasteful number, since it uses less digits than its factorization.

22201110100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99362789 (or 99362787 counting only the distinct ones).

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

Adding to 22201110100220 its reverse (2200101110222), we get a palindrome (24401211210442).

The spelling of 22201110100220 in words is "twenty-two trillion, two hundred one billion, one hundred ten million, one hundred thousand, two hundred twenty".