10210000012021 has 8 divisors (see below), whose sum is σ = 10301194243800. Its totient is φ = 10119047355648.

The previous prime is 10210000012013. The next prime is 10210000012031. The reversal of 10210000012021 is 12021000001201.

It can be written as a sum of positive squares in 4 ways, for example, as 59971112100 + 10150028899921 = 244890^2 + 3185911^2 .

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 10210000012021 - 2³ = 10210000012013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210000011989 and 10210000012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210000012001) 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, 60308946 + ... + 60478003.

It is an arithmetic number, because the mean of its divisors is an integer number (1287649280475).

Almost surely, 2^{10210000012021} is an apocalyptic number.

It is an amenable number.

10210000012021 is a deficient number, since it is larger than the sum of its proper divisors (91194231779).

10210000012021 is a wasteful number, since it uses less digits than its factorization.

10210000012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120787703.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10210000012021 its reverse (12021000001201), we get a palindrome (22231000013222).

The spelling of 10210000012021 in words is "ten trillion, two hundred ten billion, twelve thousand, twenty-one".