101210212210221 has 12 divisors (see below), whose sum is σ = 146192656072320. Its totient is φ = 67473416041800.

The previous prime is 101210212210207. The next prime is 101210212210271. The reversal of 101210212210221 is 122012212012101.

101210212210221 is a `hidden beast` number, since 1 + 0 + 1 + 21 + 0 + 212 + 210 + 221 = 666.

It is not a de Polignac number, because 101210212210221 - 2¹⁵ = 101210212177453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101210212210194 and 101210212210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210212210271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7722250 + ... + 16188068.

It is an arithmetic number, because the mean of its divisors is an integer number (12182721339360).

Almost surely, 2^{101210212210221} is an apocalyptic number.

It is an amenable number.

101210212210221 is a deficient number, since it is larger than the sum of its proper divisors (44982443862099).

101210212210221 is a wasteful number, since it uses less digits than its factorization.

101210212210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794176 (or 9794173 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101210212210221 its reverse (122012212012101), we get a palindrome (223222424222322).

The spelling of 101210212210221 in words is "one hundred one trillion, two hundred ten billion, two hundred twelve million, two hundred ten thousand, two hundred twenty-one".