1020000221222 has 8 divisors (see below), whose sum is σ = 1555082304672. Its totient is φ = 501639453000.

The previous prime is 1020000221147. The next prime is 1020000221231. The reversal of 1020000221222 is 2221220000201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020000221197 and 1020000221206.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4180328654 + ... + 4180328897.

It is an arithmetic number, because the mean of its divisors is an integer number (194385288084).

Almost surely, 2^{1020000221222} is an apocalyptic number.

1020000221222 is a deficient number, since it is larger than the sum of its proper divisors (535082083450).

1020000221222 is an equidigital number, since it uses as much as digits as its factorization.

1020000221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360657614.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020000221222 its reverse (2221220000201), we get a palindrome (3241220221423).

The spelling of 1020000221222 in words is "one trillion, twenty billion, two hundred twenty-one thousand, two hundred twenty-two".