111101221102210 has 128 divisors (see below), whose sum is σ = 214541623296000. Its totient is φ = 41300311269888.

The previous prime is 111101221102171. The next prime is 111101221102243. The reversal of 111101221102210 is 12201122101111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3034953727 + ... + 3034990333.

It is an arithmetic number, because the mean of its divisors is an integer number (1676106432000).

Almost surely, 2^{111101221102210} is an apocalyptic number.

111101221102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111101221102210 is a deficient number, since it is larger than the sum of its proper divisors (103440402193790).

111101221102210 is a wasteful number, since it uses less digits than its factorization.

111101221102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37688.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111101221102210 its reverse (12201122101111), we get a palindrome (123302343203321).

The spelling of 111101221102210 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".