1201110112222 has 4 divisors (see below), whose sum is σ = 1801665168336. Its totient is φ = 600555056110.

The previous prime is 1201110112219. The next prime is 1201110112309. The reversal of 1201110112222 is 2222110111021.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201110112196 and 1201110112205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300277528054 + ... + 300277528057.

It is an arithmetic number, because the mean of its divisors is an integer number (450416292084).

Almost surely, 2^{1201110112222} is an apocalyptic number.

1201110112222 is a deficient number, since it is larger than the sum of its proper divisors (600555056114).

1201110112222 is an equidigital number, since it uses as much as digits as its factorization.

1201110112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600555056113.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201110112222 its reverse (2222110111021), we get a palindrome (3423220223243).

The spelling of 1201110112222 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-two".