100211220231211 has 4 divisors (see below), whose sum is σ = 100214792724424. Its totient is φ = 100207647738000.

The previous prime is 100211220231191. The next prime is 100211220231349. The reversal of 100211220231211 is 112132022112001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100211220231211 - 2²⁹ = 100210683360299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100211220231011) 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, 1786204530 + ... + 1786260631.

It is an arithmetic number, because the mean of its divisors is an integer number (25053698181106).

Almost surely, 2^{100211220231211} is an apocalyptic number.

100211220231211 is a deficient number, since it is larger than the sum of its proper divisors (3572493213).

100211220231211 is an equidigital number, since it uses as much as digits as its factorization.

100211220231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572493212.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 100211220231211 its reverse (112132022112001), we get a palindrome (212343242343212).

The spelling of 100211220231211 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty million, two hundred thirty-one thousand, two hundred eleven".