1111101010100 has 72 divisors (see below), whose sum is σ = 2453551775136. Its totient is φ = 436680400000.

The previous prime is 1111101010069. The next prime is 1111101010109. The reversal of 1111101010100 is 10101011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101010109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 903215 + ... + 1742985.

It is an arithmetic number, because the mean of its divisors is an integer number (34077107988).

Almost surely, 2^{1111101010100} is an apocalyptic number.

1111101010100 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 1111101010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226775887568).

1111101010100 is an abundant number, since it is smaller than the sum of its proper divisors (1342450765036).

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

1111101010100 is a wasteful number, since it uses less digits than its factorization.

1111101010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840017 (or 840010 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1111101010100 its reverse (10101011111), we get a palindrome (1121202021211).

It can be divided in two parts, 11 and 11101010100, that added together give a palindrome (11101010111).

The spelling of 1111101010100 in words is "one trillion, one hundred eleven billion, one hundred one million, ten thousand, one hundred".