2010122221221 has 12 divisors (see below), whose sum is σ = 2921322821248. Its totient is φ = 1331860121064.

The previous prime is 2010122221213. The next prime is 2010122221229. The reversal of 2010122221221 is 1221222210102.

It is a happy number.

2010122221221 is a `hidden beast` number, since 201 + 0 + 1 + 22 + 221 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (2010122221213) and next prime (2010122221229).

It is not a de Polignac number, because 2010122221221 - 2³ = 2010122221213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010122221194 and 2010122221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010122221229) 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, 685111765 + ... + 685114698.

Almost surely, 2^{2010122221221} is an apocalyptic number.

It is an amenable number.

2010122221221 is a deficient number, since it is larger than the sum of its proper divisors (911200600027).

2010122221221 is a wasteful number, since it uses less digits than its factorization.

2010122221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370226632 (or 1370226629 counting only the distinct ones).

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

Adding to 2010122221221 its reverse (1221222210102), we get a palindrome (3231344431323).

The spelling of 2010122221221 in words is "two trillion, ten billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".