1020220112222 has 8 divisors (see below), whose sum is σ = 1530505711200. Its totient is φ = 510051541824.

The previous prime is 1020220112189. The next prime is 1020220112251. The reversal of 1020220112222 is 2222110220201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020220112222.

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, 29235347 + ... + 29270222.

It is an arithmetic number, because the mean of its divisors is an integer number (191313213900).

Almost surely, 2^{1020220112222} is an apocalyptic number.

1020220112222 is a deficient number, since it is larger than the sum of its proper divisors (510285598978).

1020220112222 is an equidigital number, since it uses as much as digits as its factorization.

1020220112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58514290.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020220112222 its reverse (2222110220201), we get a palindrome (3242330332423).

The spelling of 1020220112222 in words is "one trillion, twenty billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-two".