10210201010021 has 8 divisors (see below), whose sum is σ = 10811279386584. Its totient is φ = 9609175779840.

The previous prime is 10210201010011. The next prime is 10210201010029. The reversal of 10210201010021 is 12001010201201.

It can be written as a sum of positive squares in 4 ways, for example, as 6443550712225 + 3766650297796 = 2538415^2 + 1940786^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10210201010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210201009984 and 10210201010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210201010029) 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, 12890720 + ... + 13659833.

It is an arithmetic number, because the mean of its divisors is an integer number (1351409923323).

Almost surely, 2^{10210201010021} is an apocalyptic number.

It is an amenable number.

10210201010021 is a deficient number, since it is larger than the sum of its proper divisors (601078376563).

10210201010021 is a wasteful number, since it uses less digits than its factorization.

10210201010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26573191.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10210201010021 its reverse (12001010201201), we get a palindrome (22211211211222).

The spelling of 10210201010021 in words is "ten trillion, two hundred ten billion, two hundred one million, ten thousand, twenty-one".