222101012201020 has 12 divisors (see below), whose sum is σ = 466412125622184. Its totient is φ = 88840404880400.

The previous prime is 222101012201017. The next prime is 222101012201077. The reversal of 222101012201020 is 20102210101222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222101012200985 and 222101012201003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552525305006 + ... + 5552525305045.

It is an arithmetic number, because the mean of its divisors is an integer number (38867677135182).

Almost surely, 2^{222101012201020} is an apocalyptic number.

222101012201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101012201020 is an abundant number, since it is smaller than the sum of its proper divisors (244311113421164).

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

222101012201020 is a wasteful number, since it uses less digits than its factorization.

222101012201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105050610060 (or 11105050610058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101012201020 its reverse (20102210101222), we get a palindrome (242203222302242).

The spelling of 222101012201020 in words is "two hundred twenty-two trillion, one hundred one billion, twelve million, two hundred one thousand, twenty".