20100221301 has 32 divisors (see below), whose sum is σ = 28425627648. Its totient is φ = 12618587520.

The previous prime is 20100221279. The next prime is 20100221329. The reversal of 20100221301 is 10312200102.

It is not a de Polignac number, because 20100221301 - 2⁷ = 20100221173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100221381) 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, 381481 + ... + 430961.

It is an arithmetic number, because the mean of its divisors is an integer number (888300864).

Almost surely, 2^20100221301 is an apocalyptic number.

It is an amenable number.

20100221301 is a deficient number, since it is larger than the sum of its proper divisors (8325406347).

20100221301 is a wasteful number, since it uses less digits than its factorization.

20100221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49641.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20100221301 its reverse (10312200102), we get a palindrome (30412421403).

The spelling of 20100221301 in words is "twenty billion, one hundred million, two hundred twenty-one thousand, three hundred one".