12101120212222 has 16 divisors (see below), whose sum is σ = 18812309436000. Its totient is φ = 5831121713760.

The previous prime is 12101120212199. The next prime is 12101120212271. The reversal of 12101120212222 is 22221202110121.

It is a super-2 number, since 2×12101120212222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12101120212222.

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 7 ways as a sum of consecutive naturals, for example, 192796722 + ... + 192859477.

It is an arithmetic number, because the mean of its divisors is an integer number (1175769339750).

Almost surely, 2^{12101120212222} is an apocalyptic number.

12101120212222 is a deficient number, since it is larger than the sum of its proper divisors (6711189223778).

12101120212222 is a wasteful number, since it uses less digits than its factorization.

12101120212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385656771.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12101120212222 its reverse (22221202110121), we get a palindrome (34322322322343).

The spelling of 12101120212222 in words is "twelve trillion, one hundred one billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-two".