100110202111021 has 4 divisors (see below), whose sum is σ = 100243504644544. Its totient is φ = 99976899577500.

The previous prime is 100110202110991. The next prime is 100110202111043. The reversal of 100110202111021 is 120111202011001.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-100110202111021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100110202110992 and 100110202111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100110202111061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66651265635 + ... + 66651267136.

It is an arithmetic number, because the mean of its divisors is an integer number (25060876161136).

Almost surely, 2^{100110202111021} is an apocalyptic number.

It is an amenable number.

100110202111021 is a deficient number, since it is larger than the sum of its proper divisors (133302533523).

100110202111021 is an equidigital number, since it uses as much as digits as its factorization.

100110202111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133302533522.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100110202111021 its reverse (120111202011001), we get a palindrome (220221404122022).

The spelling of 100110202111021 in words is "one hundred trillion, one hundred ten billion, two hundred two million, one hundred eleven thousand, twenty-one".