100212010201221 has 8 divisors (see below), whose sum is σ = 133616080743840. Its totient is φ = 66807973229712.

The previous prime is 100212010201181. The next prime is 100212010201241. The reversal of 100212010201221 is 122102010212001.

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

It is not a de Polignac number, because 100212010201221 - 2¹⁵ = 100212010168453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100212010201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212010201241) 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, 317706 + ... + 14160683.

It is an arithmetic number, because the mean of its divisors is an integer number (16702010092980).

Almost surely, 2^{100212010201221} is an apocalyptic number.

It is an amenable number.

100212010201221 is a deficient number, since it is larger than the sum of its proper divisors (33404070542619).

100212010201221 is a wasteful number, since it uses less digits than its factorization.

100212010201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16785555.

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

Adding to 100212010201221 its reverse (122102010212001), we get a palindrome (222314020413222).

The spelling of 100212010201221 in words is "one hundred trillion, two hundred twelve billion, ten million, two hundred one thousand, two hundred twenty-one".