222220221100101 has 64 divisors (see below), whose sum is σ = 389634285680640. Its totient is φ = 122535554440320.

The previous prime is 222220221100081. The next prime is 222220221100103. The reversal of 222220221100101 is 101001122022222.

It is a happy number.

222220221100101 is a `hidden beast` number, since 2 + 22 + 220 + 221 + 100 + 101 = 666.

It is not a de Polignac number, because 222220221100101 - 2⁵ = 222220221100069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220221100103) 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 63 ways as a sum of consecutive naturals, for example, 164045040 + ... + 165394121.

It is an arithmetic number, because the mean of its divisors is an integer number (6088035713760).

Almost surely, 2^{222220221100101} is an apocalyptic number.

222220221100101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222220221100101 is a deficient number, since it is larger than the sum of its proper divisors (167414064580539).

222220221100101 is a wasteful number, since it uses less digits than its factorization.

222220221100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329439303 (or 329439297 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222220221100101 its reverse (101001122022222), we get a palindrome (323221343122323).

The spelling of 222220221100101 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred thousand, one hundred one".