101212200221 has 8 divisors (see below), whose sum is σ = 110669493888. Its totient is φ = 91797604000.

The previous prime is 101212200211. The next prime is 101212200241. The reversal of 101212200221 is 122002212101.

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 101212200221 - 2²² = 101208005917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212200196 and 101212200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212200211) 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, 10669400 + ... + 10678881.

It is an arithmetic number, because the mean of its divisors is an integer number (13833686736).

Almost surely, 2^101212200221 is an apocalyptic number.

101212200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101212200221 is a deficient number, since it is larger than the sum of its proper divisors (9457293667).

101212200221 is a wasteful number, since it uses less digits than its factorization.

101212200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21348723.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101212200221 its reverse (122002212101), we get a palindrome (223214412322).

The spelling of 101212200221 in words is "one hundred one billion, two hundred twelve million, two hundred thousand, two hundred twenty-one".