2010120212221 has 32 divisors (see below), whose sum is σ = 2306830150656. Its totient is φ = 1734672576000.

The previous prime is 2010120212203. The next prime is 2010120212257. The reversal of 2010120212221 is 1222120210102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2010120212221 - 2⁵ = 2010120212189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010120212195 and 2010120212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010120212621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102229131 + ... + 102248791.

It is an arithmetic number, because the mean of its divisors is an integer number (72088442208).

Almost surely, 2^{2010120212221} is an apocalyptic number.

It is an amenable number.

2010120212221 is a deficient number, since it is larger than the sum of its proper divisors (296709938435).

2010120212221 is a wasteful number, since it uses less digits than its factorization.

2010120212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25413.

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

Adding to 2010120212221 its reverse (1222120210102), we get a palindrome (3232240422323).

The spelling of 2010120212221 in words is "two trillion, ten billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-one".