111101102211020 has 24 divisors (see below), whose sum is σ = 233669607648624. Its totient is φ = 44372385073856.

The previous prime is 111101102210951. The next prime is 111101102211091. The reversal of 111101102211020 is 20112201101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101102210986 and 111101102211004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4253474774 + ... + 4253500893.

It is an arithmetic number, because the mean of its divisors is an integer number (9736233652026).

Almost surely, 2^{111101102211020} is an apocalyptic number.

111101102211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101102211020 is an abundant number, since it is smaller than the sum of its proper divisors (122568505437604).

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

111101102211020 is a wasteful number, since it uses less digits than its factorization.

111101102211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506976329 (or 8506976327 counting only the distinct ones).

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

Adding to 111101102211020 its reverse (20112201101111), we get a palindrome (131213303312131).

The spelling of 111101102211020 in words is "one hundred eleven trillion, one hundred one billion, one hundred two million, two hundred eleven thousand, twenty".