2010212200021 has 4 divisors (see below), whose sum is σ = 2043166498444. Its totient is φ = 1977257901600.

The previous prime is 2010212199979. The next prime is 2010212200043. The reversal of 2010212200021 is 1200022120102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1059273224100 + 950938975921 = 1029210^2 + 975161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010212200021 - 2¹³ = 2010212191829 is a prime.

It is a super-2 number, since 2×2010212200021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010212199974 and 2010212200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010212200091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16477149120 + ... + 16477149241.

It is an arithmetic number, because the mean of its divisors is an integer number (510791624611).

Almost surely, 2^{2010212200021} is an apocalyptic number.

It is an amenable number.

2010212200021 is a deficient number, since it is larger than the sum of its proper divisors (32954298423).

2010212200021 is an equidigital number, since it uses as much as digits as its factorization.

2010212200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32954298422.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2010212200021 its reverse (1200022120102), we get a palindrome (3210234320123).

It can be divided in two parts, 201021 and 2200021, that added together give a palindrome (2401042).

The spelling of 2010212200021 in words is "two trillion, ten billion, two hundred twelve million, two hundred thousand, twenty-one".