110201010100021 has 4 divisors (see below), whose sum is σ = 116001063263200. Its totient is φ = 104400956936844.

The previous prime is 110201010100009. The next prime is 110201010100109. The reversal of 110201010100021 is 120001010102011.

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 110201010100021 - 2²³ = 110201001711413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201010099980 and 110201010100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201010103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900026581561 + ... + 2900026581598.

It is an arithmetic number, because the mean of its divisors is an integer number (29000265815800).

Almost surely, 2^{110201010100021} is an apocalyptic number.

It is an amenable number.

110201010100021 is a deficient number, since it is larger than the sum of its proper divisors (5800053163179).

110201010100021 is an equidigital number, since it uses as much as digits as its factorization.

110201010100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800053163178.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110201010100021 its reverse (120001010102011), we get a palindrome (230202020202032).

The spelling of 110201010100021 in words is "one hundred ten trillion, two hundred one billion, ten million, one hundred thousand, twenty-one".