1222201100104 has 8 divisors (see below), whose sum is σ = 2291627062710. Its totient is φ = 611100550048.

The previous prime is 1222201100093. The next prime is 1222201100117. The reversal of 1222201100104 is 4010011022221.

It can be written as a sum of positive squares in only one way, i.e., 1133164508004 + 89036592100 = 1064502^2 + 298390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76387568749 + ... + 76387568764.

Almost surely, 2^{1222201100104} is an apocalyptic number.

It is an amenable number.

1222201100104 is a deficient number, since it is larger than the sum of its proper divisors (1069425962606).

1222201100104 is a wasteful number, since it uses less digits than its factorization.

1222201100104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152775137519 (or 152775137515 counting only the distinct ones).

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

Adding to 1222201100104 its reverse (4010011022221), we get a palindrome (5232212122325).

The spelling of 1222201100104 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one hundred thousand, one hundred four".