10202122010021 has 8 divisors (see below), whose sum is σ = 10212250423104. Its totient is φ = 10191998561920.

The previous prime is 10202122009991. The next prime is 10202122010083. The reversal of 10202122010021 is 12001022120201.

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 10202122010021 - 2⁶ = 10202122009957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202122009978 and 10202122010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202122010221) 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, 2877200 + ... + 5355606.

It is an arithmetic number, because the mean of its divisors is an integer number (1276531302888).

Almost surely, 2^{10202122010021} is an apocalyptic number.

It is an amenable number.

10202122010021 is a deficient number, since it is larger than the sum of its proper divisors (10128413083).

10202122010021 is a wasteful number, since it uses less digits than its factorization.

10202122010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482491.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10202122010021 its reverse (12001022120201), we get a palindrome (22203144130222).

The spelling of 10202122010021 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, ten thousand, twenty-one".