111101000101000 has 384 divisors, whose sum is σ = 336915207064800. Its totient is φ = 33949159372800.

The previous prime is 111101000100977. The next prime is 111101000101001. The reversal of 111101000101000 is 101000101111.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 5829993753444 + 105271006347556 = 2414538^2 + 10260166^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (111101000101001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15465882 + ... + 21480118.

Almost surely, 2^{111101000101000} is an apocalyptic number.

111101000101000 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 111101000101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168457603532400).

111101000101000 is an abundant number, since it is smaller than the sum of its proper divisors (225814206963800).

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

111101000101000 is a wasteful number, since it uses less digits than its factorization.

111101000101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014314 (or 6014293 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111101000101000 its reverse (101000101111), we get a palindrome (111202000202111).

The spelling of 111101000101000 in words is "one hundred eleven trillion, one hundred one billion, one hundred one thousand".