32101111020 has 192 divisors, whose sum is σ = 101402896896. Its totient is φ = 7520747520.

The previous prime is 32101111013. The next prime is 32101111051. The reversal of 32101111020 is 2011110123.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 32101110987 and 32101111005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2336812 + ... + 2350508.

It is an arithmetic number, because the mean of its divisors is an integer number (528140088).

Almost surely, 2^32101111020 is an apocalyptic number.

32101111020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32101111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50701448448).

32101111020 is an abundant number, since it is smaller than the sum of its proper divisors (69301785876).

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

32101111020 is a wasteful number, since it uses less digits than its factorization.

32101111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840 (or 13838 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 32101111020 its reverse (2011110123), we get a palindrome (34112221143).

The spelling of 32101111020 in words is "thirty-two billion, one hundred one million, one hundred eleven thousand, twenty".