100121200102221 has 8 divisors (see below), whose sum is σ = 133518178300800. Its totient is φ = 66735844319232.

The previous prime is 100121200102193. The next prime is 100121200102223. The reversal of 100121200102221 is 122201002121001.

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

It is not a de Polignac number, because 100121200102221 - 2¹⁵ = 100121200069453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100121200102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121200102223) 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, 2905583796 + ... + 2905618253.

It is an arithmetic number, because the mean of its divisors is an integer number (16689772287600).

Almost surely, 2^{100121200102221} is an apocalyptic number.

It is an amenable number.

100121200102221 is a deficient number, since it is larger than the sum of its proper divisors (33396978198579).

100121200102221 is an equidigital number, since it uses as much as digits as its factorization.

100121200102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811207795.

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

Adding to 100121200102221 its reverse (122201002121001), we get a palindrome (222322202223222).

The spelling of 100121200102221 in words is "one hundred trillion, one hundred twenty-one billion, two hundred million, one hundred two thousand, two hundred twenty-one".