Search a number
-
+
210021012212011 = 71113223273939707
BaseRepresentation
bin101111110000001101010011…
…110101000000100100101011
31000112121210221110001021111021
4233300031103311000210223
5210011441013111241021
62022402153203113311
762144342316561340
oct5760152365004453
91015553843037437
10210021012212011
1160a12458180240
121b67b590072837
139025b86716840
1439c10dd6447c7
1519431dda42c41
hexbf0353d4092b

210021012212011 has 32 divisors (see below), whose sum is σ = 281987817205248. Its totient is φ = 151063227383040.

The previous prime is 210021012212003. The next prime is 210021012212041. The reversal of 210021012212011 is 110212210120012.

It is not a de Polignac number, because 210021012212011 - 23 = 210021012212003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210021012212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223026420 + ... + 223966126.

It is an arithmetic number, because the mean of its divisors is an integer number (8812119287664).

Almost surely, 2210021012212011 is an apocalyptic number.

210021012212011 is a deficient number, since it is larger than the sum of its proper divisors (71966804993237).

210021012212011 is a wasteful number, since it uses less digits than its factorization.

210021012212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163011.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210021012212011 its reverse (110212210120012), we get a palindrome (320233222332023).

The spelling of 210021012212011 in words is "two hundred ten trillion, twenty-one billion, twelve million, two hundred twelve thousand, eleven".

Divisors: 1 7 11 13 77 91 143 1001 223273 939707 1562911 2456003 2902549 6577949 10336777 12216191 17192021 20317843 31928039 72357439 85513337 134378101 223496273 940646707 209811201011 1468678407077 2307923211121 2727545613143 16155462477847 19092819292001 30003001744573 210021012212011