101121650221 has 8 divisors (see below), whose sum is σ = 101557693440. Its totient is φ = 100685715312.

The previous prime is 101121650219. The next prime is 101121650249. The reversal of 101121650221 is 122056121101.

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

It is a cyclic number.

It is not a de Polignac number, because 101121650221 - 2¹ = 101121650219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101121650192 and 101121650201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121650521) 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, 2256196 + ... + 2300578.

It is an arithmetic number, because the mean of its divisors is an integer number (12694711680).

Almost surely, 2^101121650221 is an apocalyptic number.

It is an amenable number.

101121650221 is a deficient number, since it is larger than the sum of its proper divisors (436043219).

101121650221 is an equidigital number, since it uses as much as digits as its factorization.

101121650221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54155.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 101121650221 its reverse (122056121101), we get a palindrome (223177771322).

The spelling of 101121650221 in words is "one hundred one billion, one hundred twenty-one million, six hundred fifty thousand, two hundred twenty-one".