111002010201020 has 48 divisors (see below), whose sum is σ = 234112750992288. Its totient is φ = 44209108070400.

The previous prime is 111002010200993. The next prime is 111002010201109. The reversal of 111002010201020 is 20102010200111.

It is a junction number, because it is equal to n+sod(n) for n = 111002010200992 and 111002010201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8264477 + ... + 17038356.

It is an arithmetic number, because the mean of its divisors is an integer number (4877348979006).

Almost surely, 2^{111002010201020} is an apocalyptic number.

111002010201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002010201020 is an abundant number, since it is smaller than the sum of its proper divisors (123110740791268).

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

111002010201020 is a wasteful number, since it uses less digits than its factorization.

111002010201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25303790 (or 25303788 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111002010201020 its reverse (20102010200111), we get a palindrome (131104020401131).

Subtracting from 111002010201020 its reverse (20102010200111), we obtain a palindrome (90900000000909).

The spelling of 111002010201020 in words is "one hundred eleven trillion, two billion, ten million, two hundred one thousand, twenty".