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BaseRepresentation
bin1100011001011111001…
…1010110110111001111
3202100210100111021220011
43012113303112313033
511442211024020421
6241503445534051
721250225666240
oct3062763266717
9670710437804
10213000220111
1182373086a68
1235345414327
131711676a103
14a4488a6cc7
15581991b4e1
hex3197cd6dcf

213000220111 has 4 divisors (see below), whose sum is σ = 243428822992. Its totient is φ = 182571617232.

The previous prime is 213000220099. The next prime is 213000220163. The reversal of 213000220111 is 111022000312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213000220111 - 27 = 213000219983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213000220091 and 213000220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000220211) 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, 15214301430 + ... + 15214301443.

It is an arithmetic number, because the mean of its divisors is an integer number (60857205748).

Almost surely, 2213000220111 is an apocalyptic number.

213000220111 is a deficient number, since it is larger than the sum of its proper divisors (30428602881).

213000220111 is an equidigital number, since it uses as much as digits as its factorization.

213000220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30428602880.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 213000220111 its reverse (111022000312), we get a palindrome (324022220423).

The spelling of 213000220111 in words is "two hundred thirteen billion, two hundred twenty thousand, one hundred eleven".

Divisors: 1 7 30428602873 213000220111