101233021121021 has 4 divisors (see below), whose sum is σ = 101233041317952. Its totient is φ = 101233000924092.

The previous prime is 101233021120993. The next prime is 101233021121039. The reversal of 101233021121021 is 120121120332101.

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-101233021121021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101233021120984 and 101233021121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101233021021021) 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, 3753686 + ... + 14715848.

It is an arithmetic number, because the mean of its divisors is an integer number (25308260329488).

Almost surely, 2^{101233021121021} is an apocalyptic number.

It is an amenable number.

101233021121021 is a deficient number, since it is larger than the sum of its proper divisors (20196931).

101233021121021 is an equidigital number, since it uses as much as digits as its factorization.

101233021121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196930.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 101233021121021 its reverse (120121120332101), we get a palindrome (221354141453122).

The spelling of 101233021121021 in words is "one hundred one trillion, two hundred thirty-three billion, twenty-one million, one hundred twenty-one thousand, twenty-one".