10101200221 has 16 divisors (see below), whose sum is σ = 11984572800. Its totient is φ = 8330027328.

The previous prime is 10101200209. The next prime is 10101200251. The reversal of 10101200221 is 12200210101.

It is not a de Polignac number, because 10101200221 - 2²³ = 10092811613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101200198 and 10101200207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101200201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30466 + ... + 145363.

It is an arithmetic number, because the mean of its divisors is an integer number (749035800).

Almost surely, 2^10101200221 is an apocalyptic number.

It is an amenable number.

10101200221 is a deficient number, since it is larger than the sum of its proper divisors (1883372579).

10101200221 is a wasteful number, since it uses less digits than its factorization.

10101200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176148.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10101200221 its reverse (12200210101), we get a palindrome (22301410322).

The spelling of 10101200221 in words is "ten billion, one hundred one million, two hundred thousand, two hundred twenty-one".