101021200221 has 8 divisors (see below), whose sum is σ = 135586953664. Its totient is φ = 66901456800.

The previous prime is 101021200207. The next prime is 101021200223. The reversal of 101021200221 is 122002120101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101021200221 - 2³¹ = 98873716573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021200197 and 101021200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111501976 + ... + 111502881.

It is an arithmetic number, because the mean of its divisors is an integer number (16948369208).

Almost surely, 2^101021200221 is an apocalyptic number.

It is an amenable number.

101021200221 is a deficient number, since it is larger than the sum of its proper divisors (34565753443).

101021200221 is a wasteful number, since it uses less digits than its factorization.

101021200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223005011.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101021200221 its reverse (122002120101), we get a palindrome (223023320322).

The spelling of 101021200221 in words is "one hundred one billion, twenty-one million, two hundred thousand, two hundred twenty-one".