1022112001222 has 64 divisors (see below), whose sum is σ = 1770380769024. Its totient is φ = 438389637120.

The previous prime is 1022112001189. The next prime is 1022112001231. The reversal of 1022112001222 is 2221002112201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1022112001196 and 1022112001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18451038 + ... + 18506350.

It is an arithmetic number, because the mean of its divisors is an integer number (27662199516).

Almost surely, 2^{1022112001222} is an apocalyptic number.

1022112001222 is a deficient number, since it is larger than the sum of its proper divisors (748268767802).

1022112001222 is a wasteful number, since it uses less digits than its factorization.

1022112001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55873.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022112001222 its reverse (2221002112201), we get a palindrome (3243114113423).

The spelling of 1022112001222 in words is "one trillion, twenty-two billion, one hundred twelve million, one thousand, two hundred twenty-two".