111021211201222 has 32 divisors (see below), whose sum is σ = 194966202493440. Its totient is φ = 46419512838720.

The previous prime is 111021211201207. The next prime is 111021211201237. The reversal of 111021211201222 is 222102112120111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111021211201207) and next prime (111021211201237).

It is a self number, because there is not a number n which added to its sum of digits gives 111021211201222.

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, 54194229 + ... + 56205487.

It is an arithmetic number, because the mean of its divisors is an integer number (6092693827920).

Almost surely, 2^{111021211201222} is an apocalyptic number.

111021211201222 is a deficient number, since it is larger than the sum of its proper divisors (83944991292218).

111021211201222 is a wasteful number, since it uses less digits than its factorization.

111021211201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107476.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111021211201222 its reverse (222102112120111), we get a palindrome (333123323321333).

The spelling of 111021211201222 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred one thousand, two hundred twenty-two".