1201122100222 has 64 divisors (see below), whose sum is σ = 2019647001600. Its totient is φ = 531170640000.

The previous prime is 1201122100093. The next prime is 1201122100237. The reversal of 1201122100222 is 2220012211021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201122100196 and 1201122100205.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 37022304 + ... + 37054732.

It is an arithmetic number, because the mean of its divisors is an integer number (31556984400).

Almost surely, 2^{1201122100222} is an apocalyptic number.

1201122100222 is a deficient number, since it is larger than the sum of its proper divisors (818524901378).

1201122100222 is a wasteful number, since it uses less digits than its factorization.

1201122100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32833.

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

Adding to 1201122100222 its reverse (2220012211021), we get a palindrome (3421134311243).

The spelling of 1201122100222 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred thousand, two hundred twenty-two".