2010212122021 has 8 divisors (see below), whose sum is σ = 2026127936664. Its totient is φ = 1994358600960.

The previous prime is 2010212122001. The next prime is 2010212122033. The reversal of 2010212122021 is 1202212120102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112124522500 + 1898087599521 = 334850^2 + 1377711^2 .

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 2010212122021 - 2⁷ = 2010212121893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010212121986 and 2010212122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010212122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15508600 + ... + 15637681.

It is an arithmetic number, because the mean of its divisors is an integer number (253265992083).

Almost surely, 2^{2010212122021} is an apocalyptic number.

It is an amenable number.

2010212122021 is a deficient number, since it is larger than the sum of its proper divisors (15915814643).

2010212122021 is a wasteful number, since it uses less digits than its factorization.

2010212122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31146791.

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

Adding to 2010212122021 its reverse (1202212120102), we get a palindrome (3212424242123).

The spelling of 2010212122021 in words is "two trillion, ten billion, two hundred twelve million, one hundred twenty-two thousand, twenty-one".