10212202212021 has 12 divisors (see below), whose sum is σ = 15392304783648. Its totient is φ = 6512128946664.

The previous prime is 10212202212001. The next prime is 10212202212029. The reversal of 10212202212021 is 12021220221201.

It is a happy number.

10212202212021 is a `hidden beast` number, since 1 + 0 + 21 + 220 + 221 + 202 + 1 = 666.

It is not a de Polignac number, because 10212202212021 - 2⁵ = 10212202211989 is a prime.

It is a super-3 number, since 3×10212202212021³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212202211985 and 10212202212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212202212029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24667154895 + ... + 24667155308.

It is an arithmetic number, because the mean of its divisors is an integer number (1282692065304).

Almost surely, 2^{10212202212021} is an apocalyptic number.

It is an amenable number.

10212202212021 is a deficient number, since it is larger than the sum of its proper divisors (5180102571627).

10212202212021 is a wasteful number, since it uses less digits than its factorization.

10212202212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49334310232 (or 49334310229 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212202212021 its reverse (12021220221201), we get a palindrome (22233422433222).

The spelling of 10212202212021 in words is "ten trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, twenty-one".