1021100000222 has 8 divisors (see below), whose sum is σ = 1547440206816. Its totient is φ = 505286597952.

The previous prime is 1021100000189. The next prime is 1021100000257. The reversal of 1021100000222 is 2220000011201.

It is a happy number.

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

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, 2631700838 + ... + 2631701225.

It is an arithmetic number, because the mean of its divisors is an integer number (193430025852).

Almost surely, 2^{1021100000222} is an apocalyptic number.

1021100000222 is a deficient number, since it is larger than the sum of its proper divisors (526340206594).

1021100000222 is an equidigital number, since it uses as much as digits as its factorization.

1021100000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263402162.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1021100000222 its reverse (2220000011201), we get a palindrome (3241100011423).

The spelling of 1021100000222 in words is "one trillion, twenty-one billion, one hundred million, two hundred twenty-two", and thus it is an aban number.