10212220021021 has 8 divisors (see below), whose sum is σ = 10765936825344. Its totient is φ = 9672521363760.

The previous prime is 10212220020983. The next prime is 10212220021033. The reversal of 10212220021021 is 12012002221201.

It is a happy number.

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-10212220021021 is a prime.

It is a super-3 number, since 3×10212220021021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212220020986 and 10212220021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212320021021) 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, 3504535270 + ... + 3504538183.

It is an arithmetic number, because the mean of its divisors is an integer number (1345742103168).

Almost surely, 2^{10212220021021} is an apocalyptic number.

It is an amenable number.

10212220021021 is a deficient number, since it is larger than the sum of its proper divisors (553716804323).

10212220021021 is an equidigital number, since it uses as much as digits as its factorization.

10212220021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009073531.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10212220021021 its reverse (12012002221201), we get a palindrome (22224222242222).

The spelling of 10212220021021 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, twenty-one thousand, twenty-one".