211002111013 has 4 divisors (see below), whose sum is σ = 214151396320. Its totient is φ = 207852825708.

The previous prime is 211002111007. The next prime is 211002111059. The reversal of 211002111013 is 310111200112.

It is a happy number.

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 211002111013 - 2⁵ = 211002110981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002110984 and 211002111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002111913) 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, 1574642553 + ... + 1574642686.

It is an arithmetic number, because the mean of its divisors is an integer number (53537849080).

Almost surely, 2^211002111013 is an apocalyptic number.

It is an amenable number.

211002111013 is a deficient number, since it is larger than the sum of its proper divisors (3149285307).

211002111013 is an equidigital number, since it uses as much as digits as its factorization.

211002111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149285306.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 211002111013 its reverse (310111200112), we get a palindrome (521113311125).

The spelling of 211002111013 in words is "two hundred eleven billion, two million, one hundred eleven thousand, thirteen".