111020122211120 has 80 divisors (see below), whose sum is σ = 261050982879072. Its totient is φ = 43906923970560.

The previous prime is 111020122211107. The next prime is 111020122211123. The reversal of 111020122211120 is 21112221020111.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (111020122211123) 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, 19539791 + ... + 24573230.

Almost surely, 2^{111020122211120} is an apocalyptic number.

111020122211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020122211120 is an abundant number, since it is smaller than the sum of its proper divisors (150030860667952).

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

111020122211120 is a wasteful number, since it uses less digits than its factorization.

111020122211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44113390 (or 44113384 counting only the distinct ones).

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

Adding to 111020122211120 its reverse (21112221020111), we get a palindrome (132132343231231).

The spelling of 111020122211120 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty".