111222201221002 has 32 divisors (see below), whose sum is σ = 174576941280000. Its totient is φ = 53043704638848.

The previous prime is 111222201220973. The next prime is 111222201221009. The reversal of 111222201221002 is 200122102222111.

It is not an unprimeable number, because it can be changed into a prime (111222201221009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21477124 + ... + 26147872.

It is an arithmetic number, because the mean of its divisors is an integer number (5455529415000).

Almost surely, 2^{111222201221002} is an apocalyptic number.

111222201221002 is a deficient number, since it is larger than the sum of its proper divisors (63354740058998).

111222201221002 is a wasteful number, since it uses less digits than its factorization.

111222201221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672230.

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

Adding to 111222201221002 its reverse (200122102222111), we get a palindrome (311344303443113).

The spelling of 111222201221002 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, two".