111022220212211 has 16 divisors (see below), whose sum is σ = 138755742190080. Its totient is φ = 86299303020480.

The previous prime is 111022220212117. The next prime is 111022220212217. The reversal of 111022220212211 is 112212022220111.

It is not a de Polignac number, because 111022220212211 - 2³⁸ = 110747342305267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022220212217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1762617671 + ... + 1762680656.

It is an arithmetic number, because the mean of its divisors is an integer number (8672233886880).

Almost surely, 2^{111022220212211} is an apocalyptic number.

111022220212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111022220212211 is a deficient number, since it is larger than the sum of its proper divisors (27733521977869).

111022220212211 is a wasteful number, since it uses less digits than its factorization.

111022220212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525298754.

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

Adding to 111022220212211 its reverse (112212022220111), we get a palindrome (223234242432322).

The spelling of 111022220212211 in words is "one hundred eleven trillion, twenty-two billion, two hundred twenty million, two hundred twelve thousand, two hundred eleven".