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210120110222011 = 11711012663760731
BaseRepresentation
bin101111110001101001100110…
…100001111010101010111011
31000112222021201202102210001221
4233301221212201322222323
5210020101441204101021
62022515502425252511
762154451132012363
oct5761514641725273
91015867652383057
10210120110222011
1160a50490444960
121b696827934137
13903231a3b3b92
1439c5c2098b9a3
151945a8d9ab241
hexbf1a6687aabb

210120110222011 has 16 divisors (see below), whose sum is σ = 234751905789696. Its totient is φ = 186463251100000.

The previous prime is 210120110221993. The next prime is 210120110222021. The reversal of 210120110222011 is 110222011021012.

It is a cyclic number.

It is not a de Polignac number, because 210120110222011 - 229 = 210119573351099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120110222021) 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, 1331801485 + ... + 1331959246.

It is an arithmetic number, because the mean of its divisors is an integer number (14671994111856).

Almost surely, 2210120110222011 is an apocalyptic number.

210120110222011 is a deficient number, since it is larger than the sum of its proper divisors (24631795567685).

210120110222011 is a wasteful number, since it uses less digits than its factorization.

210120110222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663760914.

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

Adding to 210120110222011 its reverse (110222011021012), we get a palindrome (320342121243023).

The spelling of 210120110222011 in words is "two hundred ten trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-two thousand, eleven".

Divisors: 1 11 71 101 781 1111 7171 78881 2663760731 29301368041 189127011901 269039833831 2080397130911 2959438172141 19101828202001 210120110222011