111020122120220 has 24 divisors (see below), whose sum is σ = 233341353219408. Its totient is φ = 44370125654400.

The previous prime is 111020122120177. The next prime is 111020122120343. The reversal of 111020122120220 is 22021221020111.

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, 2370175601 + ... + 2370222440.

It is an arithmetic number, because the mean of its divisors is an integer number (9722556384142).

Almost surely, 2^{111020122120220} is an apocalyptic number.

111020122120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020122120220 is an abundant number, since it is smaller than the sum of its proper divisors (122321231099188).

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

111020122120220 is a wasteful number, since it uses less digits than its factorization.

111020122120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740399221 (or 4740399219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111020122120220 its reverse (22021221020111), we get a palindrome (133041343140331).

The spelling of 111020122120220 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty".