111021120222211 has 8 divisors (see below), whose sum is σ = 114604473377664. Its totient is φ = 107437893735360.

The previous prime is 111021120222197. The next prime is 111021120222227. The reversal of 111021120222211 is 112222021120111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111021120222211 - 2¹⁹ = 111021119697923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021120222251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29884330 + ... + 33393343.

It is an arithmetic number, because the mean of its divisors is an integer number (14325559172208).

Almost surely, 2^{111021120222211} is an apocalyptic number.

111021120222211 is a deficient number, since it is larger than the sum of its proper divisors (3583353155453).

111021120222211 is an equidigital number, since it uses as much as digits as its factorization.

111021120222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63334301.

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

Adding to 111021120222211 its reverse (112222021120111), we get a palindrome (223243141342322).

The spelling of 111021120222211 in words is "one hundred eleven trillion, twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".