111011221202202 has 96 divisors (see below), whose sum is σ = 246907018434960. Its totient is φ = 36033949440000.

The previous prime is 111011221202159. The next prime is 111011221202207. The reversal of 111011221202202 is 202202122110111.

It can be written as a sum of positive squares in 8 ways, for example, as 99246245742081 + 11764975460121 = 9962241^2 + 3430011^2 .

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 (111011221202207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1799732802 + ... + 1799794482.

Almost surely, 2^{111011221202202} is an apocalyptic number.

111011221202202 is an abundant number, since it is smaller than the sum of its proper divisors (135895797232758).

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

111011221202202 is a wasteful number, since it uses less digits than its factorization.

111011221202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080 (or 78077 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111011221202202 its reverse (202202122110111), we get a palindrome (313213343312313).

The spelling of 111011221202202 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred two".