211102212012101 has 4 divisors (see below), whose sum is σ = 222212854749600. Its totient is φ = 199991569274604.

The previous prime is 211102212012091. The next prime is 211102212012119. The reversal of 211102212012101 is 101210212201112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211102212012101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211102212012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102212012151) 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, 5555321368721 + ... + 5555321368758.

It is an arithmetic number, because the mean of its divisors is an integer number (55553213687400).

Almost surely, 2^{211102212012101} is an apocalyptic number.

It is an amenable number.

211102212012101 is a deficient number, since it is larger than the sum of its proper divisors (11110642737499).

211102212012101 is a wasteful number, since it uses less digits than its factorization.

211102212012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110642737498.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102212012101 its reverse (101210212201112), we get a palindrome (312312424213213).

The spelling of 211102212012101 in words is "two hundred eleven trillion, one hundred two billion, two hundred twelve million, twelve thousand, one hundred one".