10011111021100 has 144 divisors (see below), whose sum is σ = 25110748184256. Its totient is φ = 3393331200000.

The previous prime is 10011111021091. The next prime is 10011111021101. The reversal of 10011111021100 is 112011111001.

10011111021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10011111021101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47475900 + ... + 47686300.

It is an arithmetic number, because the mean of its divisors is an integer number (174380195724).

Almost surely, 2^{10011111021100} is an apocalyptic number.

10011111021100 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 10011111021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12555374092128).

10011111021100 is an abundant number, since it is smaller than the sum of its proper divisors (15099637163156).

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

10011111021100 is a wasteful number, since it uses less digits than its factorization.

10011111021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211196 (or 211189 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10011111021100 its reverse (112011111001), we get a palindrome (10123122132101).

The spelling of 10011111021100 in words is "ten trillion, eleven billion, one hundred eleven million, twenty-one thousand, one hundred".