222102100211020 has 24 divisors (see below), whose sum is σ = 467208983569104. Its totient is φ = 88689492822336.

The previous prime is 222102100210997. The next prime is 222102100211053. The reversal of 222102100211020 is 20112001201222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222102100210985 and 222102100211003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9459191847 + ... + 9459215326.

It is an arithmetic number, because the mean of its divisors is an integer number (19467040982046).

Almost surely, 2^{222102100211020} is an apocalyptic number.

222102100211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102100211020 is an abundant number, since it is smaller than the sum of its proper divisors (245106883358084).

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

222102100211020 is a wasteful number, since it uses less digits than its factorization.

222102100211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918407769 (or 18918407767 counting only the distinct ones).

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

Adding to 222102100211020 its reverse (20112001201222), we get a palindrome (242214101412242).

The spelling of 222102100211020 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred million, two hundred eleven thousand, twenty".