111101121102020 has 48 divisors (see below), whose sum is σ = 269282717319168. Its totient is φ = 37714666281600.

The previous prime is 111101121102017. The next prime is 111101121102053. The reversal of 111101121102020 is 20201121101111.

It is a super-2 number, since 2×111101121102020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111101121101986 and 111101121102004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3928596932 + ... + 3928625211.

It is an arithmetic number, because the mean of its divisors is an integer number (5610056610816).

Almost surely, 2^{111101121102020} is an apocalyptic number.

111101121102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101121102020 is an abundant number, since it is smaller than the sum of its proper divisors (158181596217148).

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

111101121102020 is a wasteful number, since it uses less digits than its factorization.

111101121102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857222260 (or 7857222258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111101121102020 its reverse (20201121101111), we get a palindrome (131302242203131).

Subtracting from 111101121102020 its reverse (20201121101111), we obtain a palindrome (90900000000909).

The spelling of 111101121102020 in words is "one hundred eleven trillion, one hundred one billion, one hundred twenty-one million, one hundred two thousand, twenty".