10002101220021 has 8 divisors (see below), whose sum is σ = 13346417258944. Its totient is φ = 6662926330560.

The previous prime is 10002101219987. The next prime is 10002101220061. The reversal of 10002101220021 is 12002210120001.

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

It is not a de Polignac number, because 10002101220021 - 2⁷ = 10002101219893 is a prime.

It is a super-3 number, since 3×10002101220021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002101219979 and 10002101220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002101220061) 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, 1285282825 + ... + 1285290606.

It is an arithmetic number, because the mean of its divisors is an integer number (1668302157368).

Almost surely, 2^{10002101220021} is an apocalyptic number.

It is an amenable number.

10002101220021 is a deficient number, since it is larger than the sum of its proper divisors (3344316038923).

10002101220021 is a wasteful number, since it uses less digits than its factorization.

10002101220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570574731.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10002101220021 its reverse (12002210120001), we get a palindrome (22004311340022).

The spelling of 10002101220021 in words is "ten trillion, two billion, one hundred one million, two hundred twenty thousand, twenty-one".