222110001001020 has 48 divisors (see below), whose sum is σ = 678445093968768. Its totient is φ = 53844848727360.

The previous prime is 222110001001019. The next prime is 222110001001033. The reversal of 222110001001020 is 20100100011222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 222110001000987 and 222110001001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168265151614 + ... + 168265152933.

It is an arithmetic number, because the mean of its divisors is an integer number (14134272791016).

Almost surely, 2^{222110001001020} is an apocalyptic number.

222110001001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110001001020 is an abundant number, since it is smaller than the sum of its proper divisors (456335092967748).

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

222110001001020 is a wasteful number, since it uses less digits than its factorization.

222110001001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336530304570 (or 336530304568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222110001001020 its reverse (20100100011222), we get a palindrome (242210101012242).

The spelling of 222110001001020 in words is "two hundred twenty-two trillion, one hundred ten billion, one million, one thousand, twenty".