10212211102021 has 8 divisors (see below), whose sum is σ = 10271977476984. Its totient is φ = 10152453190080.

The previous prime is 10212211101997. The next prime is 10212211102031. The reversal of 10212211102021 is 12020111221201.

It can be written as a sum of positive squares in 4 ways, for example, as 5381073041796 + 4831138060225 = 2319714^2 + 2197985^2 .

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 10212211102021 - 2⁷ = 10212211101893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212211101986 and 10212211102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212211102031) 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, 312811 + ... + 4530151.

It is an arithmetic number, because the mean of its divisors is an integer number (1283997184623).

Almost surely, 2^{10212211102021} is an apocalyptic number.

It is an amenable number.

10212211102021 is a deficient number, since it is larger than the sum of its proper divisors (59766374963).

10212211102021 is a wasteful number, since it uses less digits than its factorization.

10212211102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231511.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212211102021 its reverse (12020111221201), we get a palindrome (22232322323222).

The spelling of 10212211102021 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, one hundred two thousand, twenty-one".