100201002211221 has 8 divisors (see below), whose sum is σ = 133715427948384. Its totient is φ = 66743622307440.

The previous prime is 100201002211207. The next prime is 100201002211273. The reversal of 100201002211221 is 122112200102001.

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

It is not a de Polignac number, because 100201002211221 - 2²⁶ = 100200935102357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100201002211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201002211201) 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, 14261454246 + ... + 14261461271.

It is an arithmetic number, because the mean of its divisors is an integer number (16714428493548).

Almost surely, 2^{100201002211221} is an apocalyptic number.

It is an amenable number.

100201002211221 is a deficient number, since it is larger than the sum of its proper divisors (33514425737163).

100201002211221 is a wasteful number, since it uses less digits than its factorization.

100201002211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28522916691.

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

Adding to 100201002211221 its reverse (122112200102001), we get a palindrome (222313202313222).

The spelling of 100201002211221 in words is "one hundred trillion, two hundred one billion, two million, two hundred eleven thousand, two hundred twenty-one".