111220222001202 has 32 divisors (see below), whose sum is σ = 247158227568960. Its totient is φ = 37073080532160.

The previous prime is 111220222001201. The next prime is 111220222001227. The reversal of 111220222001202 is 202100222022111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111220222001201) 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, 2856048 + ... + 15185435.

It is an arithmetic number, because the mean of its divisors is an integer number (7723694611530).

Almost surely, 2^{111220222001202} is an apocalyptic number.

111220222001202 is an abundant number, since it is smaller than the sum of its proper divisors (135938005567758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111220222001202 is a wasteful number, since it uses less digits than its factorization.

111220222001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155655 (or 18155649 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111220222001202 its reverse (202100222022111), we get a palindrome (313320444023313).

The spelling of 111220222001202 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty-two million, one thousand, two hundred two".