101143100 has 18 divisors (see below), whose sum is σ = 219480744. Its totient is φ = 40457200.

The previous prime is 101143073. The next prime is 101143129. The reversal of 101143100 is 1341101.

It is a super-2 number, since 2×101143100² = 20459853355220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505616 + ... + 505815.

Almost surely, 2^101143100 is an apocalyptic number.

101143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101143100 is an abundant number, since it is smaller than the sum of its proper divisors (118337644).

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

101143100 is a wasteful number, since it uses less digits than its factorization.

101143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011445 (or 1011438 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101143100 is about 10056.9925922216. The cubic root of 101143100 is about 465.9207869434.

Adding to 101143100 its reverse (1341101), we get a palindrome (102484201).

The spelling of 101143100 in words is "one hundred one million, one hundred forty-three thousand, one hundred".