101010221011021 has 16 divisors (see below), whose sum is σ = 115596028094976. Its totient is φ = 86463426865536.

The previous prime is 101010221011001. The next prime is 101010221011039. The reversal of 101010221011021 is 120110122010101.

It is a happy number.

It is not a de Polignac number, because 101010221011021 - 2¹¹ = 101010221008973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010221010992 and 101010221011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010221011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14686035 + ... + 20437711.

It is an arithmetic number, because the mean of its divisors is an integer number (7224751755936).

Almost surely, 2^{101010221011021} is an apocalyptic number.

It is an amenable number.

101010221011021 is a deficient number, since it is larger than the sum of its proper divisors (14585807083955).

101010221011021 is a wasteful number, since it uses less digits than its factorization.

101010221011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755068.

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

Adding to 101010221011021 its reverse (120110122010101), we get a palindrome (221120343021122).

The spelling of 101010221011021 in words is "one hundred one trillion, ten billion, two hundred twenty-one million, eleven thousand, twenty-one".