1022100001222 has 8 divisors (see below), whose sum is σ = 1533159716616. Its totient is φ = 511046762352.

The previous prime is 1022100001217. The next prime is 1022100001229. The reversal of 1022100001222 is 2221000012201.

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 not an unprimeable number, because it can be changed into a prime (1022100001229) 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 in 3 ways as a sum of consecutive naturals, for example, 1203223 + ... + 1868674.

It is an arithmetic number, because the mean of its divisors is an integer number (191644964577).

Almost surely, 2^{1022100001222} is an apocalyptic number.

1022100001222 is a deficient number, since it is larger than the sum of its proper divisors (511059715394).

1022100001222 is a wasteful number, since it uses less digits than its factorization.

1022100001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238262.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022100001222 its reverse (2221000012201), we get a palindrome (3243100013423).

The spelling of 1022100001222 in words is "one trillion, twenty-two billion, one hundred million, one thousand, two hundred twenty-two".