1401101100 has 162 divisors, whose sum is σ = 5108842284. Its totient is φ = 320241600.

The previous prime is 1401101081. The next prime is 1401101137. The reversal of 1401101100 is 11011041.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 28215 + ... + 59985.

Almost surely, 2^1401101100 is an apocalyptic number.

1401101100 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 1401101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554421142).

1401101100 is an abundant number, since it is smaller than the sum of its proper divisors (3707741184).

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

1401101100 is a wasteful number, since it uses less digits than its factorization.

1401101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31805 (or 31788 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1401101100 is about 37431.2850433965. The cubic root of 1401101100 is about 1118.9821481769.

Adding to 1401101100 its reverse (11011041), we get a palindrome (1412112141).

The spelling of 1401101100 in words is "one billion, four hundred one million, one hundred one thousand, one hundred".