12211201111022 has 4 divisors (see below), whose sum is σ = 18316801666536. Its totient is φ = 6105600555510.

The previous prime is 12211201111007. The next prime is 12211201111073. The reversal of 12211201111022 is 22011110211221.

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

It is a super-2 number, since 2×12211201111022² (a number of 27 digits) contains 22 as substring.

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, 3052800277754 + ... + 3052800277757.

It is an arithmetic number, because the mean of its divisors is an integer number (4579200416634).

Almost surely, 2^{12211201111022} is an apocalyptic number.

12211201111022 is a deficient number, since it is larger than the sum of its proper divisors (6105600555514).

12211201111022 is an equidigital number, since it uses as much as digits as its factorization.

12211201111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105600555513.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211201111022 its reverse (22011110211221), we get a palindrome (34222311322243).

The spelling of 12211201111022 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred eleven thousand, twenty-two".