110020111221100 has 216 divisors, whose sum is σ = 259200477763920. Its totient is φ = 40393944944640.

The previous prime is 110020111221091. The next prime is 110020111221113. The reversal of 110020111221100 is 1122111020011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2071408144 + ... + 2071461256.

It is an arithmetic number, because the mean of its divisors is an integer number (1200002211870).

Almost surely, 2^{110020111221100} is an apocalyptic number.

110020111221100 is a gapful number since it is divisible by the number (10) 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 110020111221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129600238881960).

110020111221100 is an abundant number, since it is smaller than the sum of its proper divisors (149180366542820).

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

110020111221100 is a wasteful number, since it uses less digits than its factorization.

110020111221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53889 (or 53839 counting only the distinct ones).

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

Adding to 110020111221100 its reverse (1122111020011), we get a palindrome (111142222241111).

The spelling of 110020111221100 in words is "one hundred ten trillion, twenty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred".