101302021021 has 16 divisors (see below), whose sum is σ = 108967921920. Its totient is φ = 93828556800.

The previous prime is 101302020997. The next prime is 101302021063. The reversal of 101302021021 is 120120203101.

It is a cyclic number.

It is not a de Polignac number, because 101302021021 - 2¹¹ = 101302018973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101302020992 and 101302021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101302021081) 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 15 ways as a sum of consecutive naturals, for example, 1140621 + ... + 1226221.

It is an arithmetic number, because the mean of its divisors is an integer number (6810495120).

Almost surely, 2^101302021021 is an apocalyptic number.

It is an amenable number.

101302021021 is a deficient number, since it is larger than the sum of its proper divisors (7665900899).

101302021021 is a wasteful number, since it uses less digits than its factorization.

101302021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86724.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101302021021 its reverse (120120203101), we get a palindrome (221422224122).

The spelling of 101302021021 in words is "one hundred one billion, three hundred two million, twenty-one thousand, twenty-one".