111020210122120 has 32 divisors (see below), whose sum is σ = 269010509143320. Its totient is φ = 40992077583360.

The previous prime is 111020210122093. The next prime is 111020210122141. The reversal of 111020210122120 is 21221012020111.

It can be written as a sum of positive squares in 4 ways, for example, as 98632189527876 + 12388020594244 = 9931374^2 + 3519662^2 .

It is a super-2 number, since 2×111020210122120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020210122094 and 111020210122103.

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, 106750201521 + ... + 106750202560.

Almost surely, 2^{111020210122120} is an apocalyptic number.

111020210122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020210122120 is an abundant number, since it is smaller than the sum of its proper divisors (157990299021200).

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

111020210122120 is a wasteful number, since it uses less digits than its factorization.

111020210122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213500404105 (or 213500404101 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111020210122120 its reverse (21221012020111), we get a palindrome (132241222142231).

The spelling of 111020210122120 in words is "one hundred eleven trillion, twenty billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty".