111020111021222 has 8 divisors (see below), whose sum is σ = 179340179342016. Its totient is φ = 51240051240552.

The previous prime is 111020111021219. The next prime is 111020111021279. The reversal of 111020111021222 is 222120111020111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111020111021222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135002134998 + ... + 2135002135049.

It is an arithmetic number, because the mean of its divisors is an integer number (22417522417752).

Almost surely, 2^{111020111021222} is an apocalyptic number.

111020111021222 is a deficient number, since it is larger than the sum of its proper divisors (68320068320794).

111020111021222 is a wasteful number, since it uses less digits than its factorization.

111020111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270004270062.

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

Adding to 111020111021222 its reverse (222120111020111), we get a palindrome (333140222041333).

The spelling of 111020111021222 in words is "one hundred eleven trillion, twenty billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".