101321031202021 has 8 divisors (see below), whose sum is σ = 102542305743360. Its totient is φ = 100099769499552.

The previous prime is 101321031201941. The next prime is 101321031202091. The reversal of 101321031202021 is 120202130123101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101321031202021 - 2¹⁷ = 101321031070949 is a prime.

It is a super-2 number, since 2×101321031202021² (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 101321031202021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321031202091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13169601 + ... + 19392793.

It is an arithmetic number, because the mean of its divisors is an integer number (12817788217920).

Almost surely, 2^{101321031202021} is an apocalyptic number.

It is an amenable number.

101321031202021 is a deficient number, since it is larger than the sum of its proper divisors (1221274541339).

101321031202021 is an equidigital number, since it uses as much as digits as its factorization.

101321031202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419435.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101321031202021 its reverse (120202130123101), we get a palindrome (221523161325122).

The spelling of 101321031202021 in words is "one hundred one trillion, three hundred twenty-one billion, thirty-one million, two hundred two thousand, twenty-one".