Search a number
-
+
211121021111122 = 2479220376848759
BaseRepresentation
bin110000000000001101110001…
…011101111100101101010010
31000200111222020221212011111201
4300000031301131330231102
5210133001322401023442
62025003354055301414
762316663500131663
oct6000156135745522
91020458227764451
10211121021111122
11612a6a1655a271
121b81880297a86a
1390a581c2b9555
143a1c451d8736a
151961b201a07b7
hexc0037177cb52

211121021111122 has 8 divisors (see below), whose sum is σ = 317342662214400. Its totient is φ = 105340133706324.

The previous prime is 211121021111089. The next prime is 211121021111131. The reversal of 211121021111122 is 221111120121112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211121021111122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110188423422 + ... + 110188425337.

It is an arithmetic number, because the mean of its divisors is an integer number (39667832776800).

Almost surely, 2211121021111122 is an apocalyptic number.

211121021111122 is a deficient number, since it is larger than the sum of its proper divisors (106221641103278).

211121021111122 is a wasteful number, since it uses less digits than its factorization.

211121021111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220376849240.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 211121021111122 its reverse (221111120121112), we get a palindrome (432232141232234).

The spelling of 211121021111122 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 479 958 220376848759 440753697518 105560510555561 211121021111122