101302321021 has 16 divisors (see below), whose sum is σ = 111952545408. Its totient is φ = 90899020800.

The previous prime is 101302321013. The next prime is 101302321027. The reversal of 101302321021 is 120123203101.

It is a cyclic number.

It is not a de Polignac number, because 101302321021 - 2³ = 101302321013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101302320986 and 101302321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101302321027) 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, 130480 + ... + 468646.

It is an arithmetic number, because the mean of its divisors is an integer number (6997034088).

Almost surely, 2^101302321021 is an apocalyptic number.

101302321021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101302321021 is a deficient number, since it is larger than the sum of its proper divisors (10650224387).

101302321021 is a wasteful number, since it uses less digits than its factorization.

101302321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338532.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101302321021 its reverse (120123203101), we get a palindrome (221425524122).

The spelling of 101302321021 in words is "one hundred one billion, three hundred two million, three hundred twenty-one thousand, twenty-one".