111020111222222 has 16 divisors (see below), whose sum is σ = 181339564611600. Its totient is φ = 50775078090240.

The previous prime is 111020111222147. The next prime is 111020111222231. The reversal of 111020111222222 is 222222111020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020111222194 and 111020111222203.

It is a congruent number.

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, 50372100179 + ... + 50372102382.

It is an arithmetic number, because the mean of its divisors is an integer number (11333722788225).

Almost surely, 2^{111020111222222} is an apocalyptic number.

111020111222222 is a deficient number, since it is larger than the sum of its proper divisors (70319453389378).

111020111222222 is a wasteful number, since it uses less digits than its factorization.

111020111222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100744202611.

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

Adding to 111020111222222 its reverse (222222111020111), we get a palindrome (333242222242333).

The spelling of 111020111222222 in words is "one hundred eleven trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".