1222100200222 has 96 divisors (see below), whose sum is σ = 2112796224000. Its totient is φ = 525713760000.

The previous prime is 1222100200219. The next prime is 1222100200231. The reversal of 1222100200222 is 2220020012221.

It is a junction number, because it is equal to n+sod(n) for n = 1222100200196 and 1222100200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611354779 + ... + 611356777.

It is an arithmetic number, because the mean of its divisors is an integer number (22008294000).

Almost surely, 2^{1222100200222} is an apocalyptic number.

1222100200222 is a deficient number, since it is larger than the sum of its proper divisors (890696023778).

1222100200222 is a wasteful number, since it uses less digits than its factorization.

1222100200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222100200222 its reverse (2220020012221), we get a palindrome (3442120212443).

The spelling of 1222100200222 in words is "one trillion, two hundred twenty-two billion, one hundred million, two hundred thousand, two hundred twenty-two".