111221112022202 has 128 divisors (see below), whose sum is σ = 215424195840000. Its totient is φ = 42767962675200.

The previous prime is 111221112022183. The next prime is 111221112022211. The reversal of 111221112022202 is 202220211122111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98526674 + ... + 99649122.

It is an arithmetic number, because the mean of its divisors is an integer number (1683001530000).

Almost surely, 2^{111221112022202} is an apocalyptic number.

111221112022202 is a deficient number, since it is larger than the sum of its proper divisors (104203083817798).

111221112022202 is a wasteful number, since it uses less digits than its factorization.

111221112022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122797 (or 1122783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111221112022202 its reverse (202220211122111), we get a palindrome (313441323144313).

Subtracting 111221112022202 from its reverse (202220211122111), we obtain a palindrome (90999099099909).

The spelling of 111221112022202 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred two".