100233200122021 has 4 divisors (see below), whose sum is σ = 106129270717452. Its totient is φ = 94337129526592.

The previous prime is 100233200122007. The next prime is 100233200122051. The reversal of 100233200122021 is 120221002332001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74753056620225 + 25480143501796 = 8645985^2 + 5047786^2 .

It is a cyclic number.

It is not a de Polignac number, because 100233200122021 - 2¹¹ = 100233200119973 is a prime.

It is a super-2 number, since 2×100233200122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100233200122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100233200122001) 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, 2948035297690 + ... + 2948035297723.

It is an arithmetic number, because the mean of its divisors is an integer number (26532317679363).

Almost surely, 2^{100233200122021} is an apocalyptic number.

It is an amenable number.

100233200122021 is a deficient number, since it is larger than the sum of its proper divisors (5896070595431).

100233200122021 is an equidigital number, since it uses as much as digits as its factorization.

100233200122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896070595430.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100233200122021 its reverse (120221002332001), we get a palindrome (220454202454022).

The spelling of 100233200122021 in words is "one hundred trillion, two hundred thirty-three billion, two hundred million, one hundred twenty-two thousand, twenty-one".