111022111222210 has 16 divisors (see below), whose sum is σ = 200353527199800. Its totient is φ = 44294682933376.

The previous prime is 111022111222153. The next prime is 111022111222223. The reversal of 111022111222210 is 12222111220111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63785508015889 + 47236603206321 = 7986583^2 + 6872889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14270190355 + ... + 14270198134.

Almost surely, 2^{111022111222210} is an apocalyptic number.

111022111222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111022111222210 is a deficient number, since it is larger than the sum of its proper divisors (89331415977590).

111022111222210 is a wasteful number, since it uses less digits than its factorization.

111022111222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28540388885.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111022111222210 its reverse (12222111220111), we get a palindrome (123244222442321).

The spelling of 111022111222210 in words is "one hundred eleven trillion, twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred ten".