211220011021313 has 8 divisors (see below), whose sum is σ = 249181211159040. Its totient is φ = 175205539095840.

The previous prime is 211220011021273. The next prime is 211220011021337. The reversal of 211220011021313 is 313120110022112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211220011021313 - 2²⁰ = 211220009972737 is a prime.

It is a super-2 number, since 2×211220011021313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211220011021813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486682052828 + ... + 486682053261.

It is an arithmetic number, because the mean of its divisors is an integer number (31147651394880).

Almost surely, 2^{211220011021313} is an apocalyptic number.

It is an amenable number.

211220011021313 is a deficient number, since it is larger than the sum of its proper divisors (37961200137727).

211220011021313 is an equidigital number, since it uses as much as digits as its factorization.

211220011021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973364106127.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211220011021313 its reverse (313120110022112), we get a palindrome (524340121043425).

The spelling of 211220011021313 in words is "two hundred eleven trillion, two hundred twenty billion, eleven million, twenty-one thousand, three hundred thirteen".