211020313301 has 16 divisors (see below), whose sum is σ = 254092738560. Its totient is φ = 171197083440.

The previous prime is 211020313271. The next prime is 211020313331. The reversal of 211020313301 is 103313020112.

It is an interprime number because it is at equal distance from previous prime (211020313271) and next prime (211020313331).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211020313301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211020313301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020313331) 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, 585245 + ... + 874386.

It is an arithmetic number, because the mean of its divisors is an integer number (15880796160).

Almost surely, 2^211020313301 is an apocalyptic number.

It is an amenable number.

211020313301 is a deficient number, since it is larger than the sum of its proper divisors (43072425259).

211020313301 is a wasteful number, since it uses less digits than its factorization.

211020313301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460744.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 211020313301 its reverse (103313020112), we get a palindrome (314333333413).

The spelling of 211020313301 in words is "two hundred eleven billion, twenty million, three hundred thirteen thousand, three hundred one".