111220020122202 has 32 divisors (see below), whose sum is σ = 247158732274560. Its totient is φ = 37072870240320.

The previous prime is 111220020122171. The next prime is 111220020122209. The reversal of 111220020122202 is 202221020022111.

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 (111220020122209) 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, 8736174 + ... + 17284697.

It is an arithmetic number, because the mean of its divisors is an integer number (7723710383580).

Almost surely, 2^{111220020122202} is an apocalyptic number.

111220020122202 is an abundant number, since it is smaller than the sum of its proper divisors (135938712152358).

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

111220020122202 is a wasteful number, since it uses less digits than its factorization.

111220020122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26100035 (or 26100029 counting only the distinct ones).

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

Adding to 111220020122202 its reverse (202221020022111), we get a palindrome (313441040144313).

The spelling of 111220020122202 in words is "one hundred eleven trillion, two hundred twenty billion, twenty million, one hundred twenty-two thousand, two hundred two".