111222111010010 has 128 divisors (see below), whose sum is σ = 274518875602944. Its totient is φ = 31319117487360.

The previous prime is 111222111009983. The next prime is 111222111010051. The reversal of 111222111010010 is 10010111222111.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 117732722 + ... + 118673661.

It is an arithmetic number, because the mean of its divisors is an integer number (2144678715648).

Almost surely, 2^{111222111010010} is an apocalyptic number.

111222111010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111222111010010 is an abundant number, since it is smaller than the sum of its proper divisors (163296764592934).

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

111222111010010 is a wasteful number, since it uses less digits than its factorization.

111222111010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236406468.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111222111010010 its reverse (10010111222111), we get a palindrome (121232222232121).

It can be divided in two parts, 1112 and 22111010010, that added together give a palindrome (22111011122).

The spelling of 111222111010010 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred eleven million, ten thousand, ten".