11420401100 has 72 divisors (see below), whose sum is σ = 26262537840. Its totient is φ = 4295761920.

The previous prime is 11420401073. The next prime is 11420401121. The reversal of 11420401100 is 110402411.

It is a super-2 number, since 2×11420401100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 2763836 + ... + 2767964.

It is an arithmetic number, because the mean of its divisors is an integer number (364757470).

Almost surely, 2^11420401100 is an apocalyptic number.

11420401100 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 11420401100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13131268920).

11420401100 is an abundant number, since it is smaller than the sum of its proper divisors (14842136740).

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

11420401100 is a wasteful number, since it uses less digits than its factorization.

11420401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787 (or 5780 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11420401100 its reverse (110402411), we get a palindrome (11530803511).

The spelling of 11420401100 in words is "eleven billion, four hundred twenty million, four hundred one thousand, one hundred".