10100221021221 has 8 divisors (see below), whose sum is σ = 13537469013504. Its totient is φ = 6698226854880.

The previous prime is 10100221021213. The next prime is 10100221021243. The reversal of 10100221021221 is 12212012200101.

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

It is not a de Polignac number, because 10100221021221 - 2³ = 10100221021213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10100221021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100221021201) 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, 8813455816 + ... + 8813456961.

It is an arithmetic number, because the mean of its divisors is an integer number (1692183626688).

Almost surely, 2^{10100221021221} is an apocalyptic number.

It is an amenable number.

10100221021221 is a deficient number, since it is larger than the sum of its proper divisors (3437247992283).

10100221021221 is a wasteful number, since it uses less digits than its factorization.

10100221021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17626912971.

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

Adding to 10100221021221 its reverse (12212012200101), we get a palindrome (22312233221322).

The spelling of 10100221021221 in words is "ten trillion, one hundred billion, two hundred twenty-one million, twenty-one thousand, two hundred twenty-one".