100021701 has 16 divisors (see below), whose sum is σ = 143976896. Its totient is φ = 61399296.

The previous prime is 100021699. The next prime is 100021711. The reversal of 100021701 is 107120001.

It is not a de Polignac number, because 100021701 - 2¹ = 100021699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021711) 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, 13926 + ... + 19848.

It is an arithmetic number, because the mean of its divisors is an integer number (8998556).

Almost surely, 2^100021701 is an apocalyptic number.

It is an amenable number.

100021701 is a deficient number, since it is larger than the sum of its proper divisors (43955195).

100021701 is a wasteful number, since it uses less digits than its factorization.

100021701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 100021701 is about 10001.0849911397. The cubic root of 100021701 is about 464.1924566392.

Adding to 100021701 its reverse (107120001), we get a palindrome (207141702).

The spelling of 100021701 in words is "one hundred million, twenty-one thousand, seven hundred one".