1020220022222 has 4 divisors (see below), whose sum is σ = 1530330033336. Its totient is φ = 510110011110.

The previous prime is 1020220022221. The next prime is 1020220022267. The reversal of 1020220022222 is 2222200220201.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020220022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220022221) 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 as a sum of consecutive naturals, namely, 255055005554 + ... + 255055005557.

It is an arithmetic number, because the mean of its divisors is an integer number (382582508334).

Almost surely, 2^{1020220022222} is an apocalyptic number.

1020220022222 is a deficient number, since it is larger than the sum of its proper divisors (510110011114).

1020220022222 is an equidigital number, since it uses as much as digits as its factorization.

1020220022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510110011113.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1020220022222 its reverse (2222200220201), we get a palindrome (3242420242423).

The spelling of 1020220022222 in words is "one trillion, twenty billion, two hundred twenty million, twenty-two thousand, two hundred twenty-two".