100556214500 has 48 divisors (see below), whose sum is σ = 250988320128. Its totient is φ = 34476415200.

The previous prime is 100556214491. The next prime is 100556214509. The reversal of 100556214500 is 5412655001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100556214491) and next prime (100556214509).

It is a super-2 number, since 2×100556214500² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100556214509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14361674 + ... + 14368673.

It is an arithmetic number, because the mean of its divisors is an integer number (5228923336).

Almost surely, 2^100556214500 is an apocalyptic number.

100556214500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100556214500 is an abundant number, since it is smaller than the sum of its proper divisors (150432105628).

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

100556214500 is a wasteful number, since it uses less digits than its factorization.

100556214500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28730373 (or 28730361 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 100556214500 its reverse (5412655001), we get a palindrome (105968869501).

The spelling of 100556214500 in words is "one hundred billion, five hundred fifty-six million, two hundred fourteen thousand, five hundred".