12101210111222 has 32 divisors (see below), whose sum is σ = 18318257513472. Its totient is φ = 5995251085824.

The previous prime is 12101210111203. The next prime is 12101210111281. The reversal of 12101210111222 is 22211101210121.

It is a super-2 number, since 2×12101210111222² (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 12101210111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953069978 + ... + 953082674.

It is an arithmetic number, because the mean of its divisors is an integer number (572445547296).

Almost surely, 2^{12101210111222} is an apocalyptic number.

12101210111222 is a deficient number, since it is larger than the sum of its proper divisors (6217047402250).

12101210111222 is a wasteful number, since it uses less digits than its factorization.

12101210111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352.

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

Adding to 12101210111222 its reverse (22211101210121), we get a palindrome (34312311321343).

The spelling of 12101210111222 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-two".