100121033211 has 8 divisors (see below), whose sum is σ = 133804445184. Its totient is φ = 66592488360.

The previous prime is 100121033167. The next prime is 100121033213. The reversal of 100121033211 is 112330121001.

It is a happy number.

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

It is not a de Polignac number, because 100121033211 - 2¹⁵ = 100121000443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121033213) 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, 38715271 + ... + 38717856.

It is an arithmetic number, because the mean of its divisors is an integer number (16725555648).

Almost surely, 2^100121033211 is an apocalyptic number.

100121033211 is a deficient number, since it is larger than the sum of its proper divisors (33683411973).

100121033211 is an equidigital number, since it uses as much as digits as its factorization.

100121033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77433561.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100121033211 its reverse (112330121001), we get a palindrome (212451154212).

The spelling of 100121033211 in words is "one hundred billion, one hundred twenty-one million, thirty-three thousand, two hundred eleven".