101100550 has 12 divisors (see below), whose sum is σ = 188047116. Its totient is φ = 40440200.

The previous prime is 101100499. The next prime is 101100551. The reversal of 101100550 is 55001101.

It is a self number, because there is not a number n which added to its sum of digits gives 101100550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1010956 + ... + 1011055.

It is an arithmetic number, because the mean of its divisors is an integer number (15670593).

Almost surely, 2^101100550 is an apocalyptic number.

101100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101100550 is a deficient number, since it is larger than the sum of its proper divisors (86946566).

101100550 is a wasteful number, since it uses less digits than its factorization.

101100550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022023 (or 2022018 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 101100550 is about 10054.8769261488. The cubic root of 101100550 is about 465.8554415394.

Adding to 101100550 its reverse (55001101), we get a palindrome (156101651).

The spelling of 101100550 in words is "one hundred one million, one hundred thousand, five hundred fifty".