100102002211221 has 4 divisors (see below), whose sum is σ = 133469336281632. Its totient is φ = 66734668140812.

The previous prime is 100102002211187. The next prime is 100102002211223. The reversal of 100102002211221 is 122112200201001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100102002211221 - 2²⁷ = 100101867993493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100102002211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102002211223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16683667035201 + ... + 16683667035206.

It is an arithmetic number, because the mean of its divisors is an integer number (33367334070408).

Almost surely, 2^{100102002211221} is an apocalyptic number.

It is an amenable number.

100102002211221 is a deficient number, since it is larger than the sum of its proper divisors (33367334070411).

100102002211221 is an equidigital number, since it uses as much as digits as its factorization.

100102002211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367334070410.

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

Adding to 100102002211221 its reverse (122112200201001), we get a palindrome (222214202412222).

The spelling of 100102002211221 in words is "one hundred trillion, one hundred two billion, two million, two hundred eleven thousand, two hundred twenty-one".