100121201111211 has 16 divisors (see below), whose sum is σ = 152642732140800. Its totient is φ = 57183205288608.

The previous prime is 100121201111209. The next prime is 100121201111233. The reversal of 100121201111211 is 112111102121001.

It is not a de Polignac number, because 100121201111211 - 2¹ = 100121201111209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121201111611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204525456 + ... + 1204608573.

It is an arithmetic number, because the mean of its divisors is an integer number (9540170758800).

Almost surely, 2^{100121201111211} is an apocalyptic number.

100121201111211 is a deficient number, since it is larger than the sum of its proper divisors (52521531029589).

100121201111211 is a wasteful number, since it uses less digits than its factorization.

100121201111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409136018.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100121201111211 its reverse (112111102121001), we get a palindrome (212232303232212).

The spelling of 100121201111211 in words is "one hundred trillion, one hundred twenty-one billion, two hundred one million, one hundred eleven thousand, two hundred eleven".