100210042021 has 8 divisors (see below), whose sum is σ = 100841974688. Its totient is φ = 99578970000.

The previous prime is 100210042013. The next prime is 100210042033. The reversal of 100210042021 is 120240012001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100210042021 - 2³ = 100210042013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210041992 and 100210042010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210042061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19246 + ... + 448096.

It is an arithmetic number, because the mean of its divisors is an integer number (12605246836).

Almost surely, 2^100210042021 is an apocalyptic number.

It is an amenable number.

100210042021 is a deficient number, since it is larger than the sum of its proper divisors (631932667).

100210042021 is a wasteful number, since it uses less digits than its factorization.

100210042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430323.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100210042021 its reverse (120240012001), we get a palindrome (220450054022).

The spelling of 100210042021 in words is "one hundred billion, two hundred ten million, forty-two thousand, twenty-one".