100037021 has 4 divisors (see below), whose sum is σ = 114328032. Its totient is φ = 85746012.

The previous prime is 100036997. The next prime is 100037029. The reversal of 100037021 is 120730001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100037021 - 2¹⁴ = 100020637 is a prime.

It is a super-3 number, since 3×100037021³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100036987 and 100037005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100037029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145495 + ... + 7145508.

It is an arithmetic number, because the mean of its divisors is an integer number (28582008).

Almost surely, 2^100037021 is an apocalyptic number.

It is an amenable number.

100037021 is a deficient number, since it is larger than the sum of its proper divisors (14291011).

100037021 is an equidigital number, since it uses as much as digits as its factorization.

100037021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291010.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 100037021 is about 10001.8508787124. The cubic root of 100037021 is about 464.2161550477.

Adding to 100037021 its reverse (120730001), we get a palindrome (220767022).

The spelling of 100037021 in words is "one hundred million, thirty-seven thousand, twenty-one".