100121210211 has 32 divisors (see below), whose sum is σ = 147425806080. Its totient is φ = 59934512000.

The previous prime is 100121210197. The next prime is 100121210213. The reversal of 100121210211 is 112012121001.

It is not a de Polignac number, because 100121210211 - 2¹⁰ = 100121209187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121210213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1360681 + ... + 1432373.

It is an arithmetic number, because the mean of its divisors is an integer number (4607056440).

Almost surely, 2^100121210211 is an apocalyptic number.

100121210211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100121210211 is a deficient number, since it is larger than the sum of its proper divisors (47304595869).

100121210211 is a wasteful number, since it uses less digits than its factorization.

100121210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72227.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100121210211 its reverse (112012121001), we get a palindrome (212133331212).

It can be divided in two parts, 1001 and 21210211, that added together give a palindrome (21211212).

The spelling of 100121210211 in words is "one hundred billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".