2010110201221 has 4 divisors (see below), whose sum is σ = 2010150711244. Its totient is φ = 2010069691200.

The previous prime is 2010110201179. The next prime is 2010110201243. The reversal of 2010110201221 is 1221020110102.

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 1839384225121 + 170725976100 = 1356239^2 + 413190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010110201221 - 2¹⁵ = 2010110168453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010110201251) 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, 20180490 + ... + 20279851.

It is an arithmetic number, because the mean of its divisors is an integer number (502537677811).

Almost surely, 2^{2010110201221} is an apocalyptic number.

It is an amenable number.

2010110201221 is a deficient number, since it is larger than the sum of its proper divisors (40510023).

2010110201221 is an equidigital number, since it uses as much as digits as its factorization.

2010110201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40510022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010110201221 its reverse (1221020110102), we get a palindrome (3231130311323).

The spelling of 2010110201221 in words is "two trillion, ten billion, one hundred ten million, two hundred one thousand, two hundred twenty-one".