1200110011222 has 4 divisors (see below), whose sum is σ = 1800165016836. Its totient is φ = 600055005610.

The previous prime is 1200110011211. The next prime is 1200110011223. The reversal of 1200110011222 is 2221100110021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110011223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300027502804 + ... + 300027502807.

It is an arithmetic number, because the mean of its divisors is an integer number (450041254209).

Almost surely, 2^{1200110011222} is an apocalyptic number.

1200110011222 is a deficient number, since it is larger than the sum of its proper divisors (600055005614).

1200110011222 is an equidigital number, since it uses as much as digits as its factorization.

1200110011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600055005613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200110011222 its reverse (2221100110021), we get a palindrome (3421210121243).

The spelling of 1200110011222 in words is "one trillion, two hundred billion, one hundred ten million, eleven thousand, two hundred twenty-two".