111021211222010 has 16 divisors (see below), whose sum is σ = 204485579739936. Its totient is φ = 43375729035408.

The previous prime is 111021211222001. The next prime is 111021211222093. The reversal of 111021211222010 is 10222112120111.

It is a self number, because there is not a number n which added to its sum of digits gives 111021211222010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129094431224 + ... + 129094432083.

It is an arithmetic number, because the mean of its divisors is an integer number (12780348733746).

Almost surely, 2^{111021211222010} is an apocalyptic number.

111021211222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111021211222010 is a deficient number, since it is larger than the sum of its proper divisors (93464368517926).

111021211222010 is a wasteful number, since it uses less digits than its factorization.

111021211222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258188863357.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111021211222010 its reverse (10222112120111), we get a palindrome (121243323342121).

The spelling of 111021211222010 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, ten".