10100212210221 has 48 divisors (see below), whose sum is σ = 16406257682304. Its totient is φ = 5395585978368.

The previous prime is 10100212210219. The next prime is 10100212210271. The reversal of 10100212210221 is 12201221200101.

It is not a de Polignac number, because 10100212210221 - 2¹ = 10100212210219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10100212210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100212210201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7288581 + ... + 8562933.

It is an arithmetic number, because the mean of its divisors is an integer number (341797035048).

Almost surely, 2^{10100212210221} is an apocalyptic number.

It is an amenable number.

10100212210221 is a deficient number, since it is larger than the sum of its proper divisors (6306045472083).

10100212210221 is a wasteful number, since it uses less digits than its factorization.

10100212210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274678 (or 1274529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10100212210221 its reverse (12201221200101), we get a palindrome (22301433410322).

The spelling of 10100212210221 in words is "ten trillion, one hundred billion, two hundred twelve million, two hundred ten thousand, two hundred twenty-one".