211102120001 has 4 divisors (see below), whose sum is σ = 211103396400. Its totient is φ = 211100843604.

The previous prime is 211102119953. The next prime is 211102120013. The reversal of 211102120001 is 100021201112.

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 not a de Polignac number, because 211102120001 - 2²⁶ = 211035011137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102120501) 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, 345311 + ... + 735828.

It is an arithmetic number, because the mean of its divisors is an integer number (52775849100).

Almost surely, 2^211102120001 is an apocalyptic number.

It is an amenable number.

211102120001 is a deficient number, since it is larger than the sum of its proper divisors (1276399).

211102120001 is a wasteful number, since it uses less digits than its factorization.

211102120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211102120001 its reverse (100021201112), we get a palindrome (311123321113).

The spelling of 211102120001 in words is "two hundred eleven billion, one hundred two million, one hundred twenty thousand, one".