111020101221100 has 36 divisors (see below), whose sum is σ = 240930310018384. Its totient is φ = 44404963922880.

The previous prime is 111020101221077. The next prime is 111020101221103. The reversal of 111020101221100 is 1122101020111.

It is a happy number.

111020101221100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111020101221100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111020101221103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37006152 + ... + 39893551.

Almost surely, 2^{111020101221100} is an apocalyptic number.

111020101221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020101221100 is an abundant number, since it is smaller than the sum of its proper divisors (129910208797284).

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

111020101221100 is a wasteful number, since it uses less digits than its factorization.

111020101221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76914154 (or 76914147 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111020101221100 its reverse (1122101020111), we get a palindrome (112142202241211).

The spelling of 111020101221100 in words is "one hundred eleven trillion, twenty billion, one hundred one million, two hundred twenty-one thousand, one hundred".