101210020021021 has 8 divisors (see below), whose sum is σ = 101951762427200. Its totient is φ = 100468472083200.

The previous prime is 101210020020937. The next prime is 101210020021037. The reversal of 101210020021021 is 120120020012101.

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 101210020021021 - 2²¹ = 101210017923869 is a prime.

It is a super-2 number, since 2×101210020021021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210020020992 and 101210020021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210020021091) 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, 47572305 + ... + 49654246.

It is an arithmetic number, because the mean of its divisors is an integer number (12743970303400).

Almost surely, 2^{101210020021021} is an apocalyptic number.

It is an amenable number.

101210020021021 is a deficient number, since it is larger than the sum of its proper divisors (741742406179).

101210020021021 is an equidigital number, since it uses as much as digits as its factorization.

101210020021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97234179.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101210020021021 its reverse (120120020012101), we get a palindrome (221330040033122).

The spelling of 101210020021021 in words is "one hundred one trillion, two hundred ten billion, twenty million, twenty-one thousand, twenty-one".