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210112020012111 = 3749372026602043
BaseRepresentation
bin101111110001100010000100…
…010100001101110001001111
31000112221111211221021112110020
4233301202010110031301033
5210014433404110341421
62022512043544113223
762154043504243530
oct5761420424156117
91015844757245406
10210112020012111
1160a48009762478
121b69514a465813
13903162b277429
1439c5694320687
1519457685e1dc6
hexbf188450dc4f

210112020012111 has 16 divisors (see below), whose sum is σ = 320235548584704. Its totient is φ = 120039692151744.

The previous prime is 210112020012061. The next prime is 210112020012149. The reversal of 210112020012111 is 111210020211012.

It is a happy number.

It is not a de Polignac number, because 210112020012111 - 219 = 210112019487823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112020013111) 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 15 ways as a sum of consecutive naturals, for example, 1013197345 + ... + 1013404698.

It is an arithmetic number, because the mean of its divisors is an integer number (20014721786544).

Almost surely, 2210112020012111 is an apocalyptic number.

210112020012111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210112020012111 is a deficient number, since it is larger than the sum of its proper divisors (110123528572593).

210112020012111 is a wasteful number, since it uses less digits than its factorization.

210112020012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026606990.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210112020012111 its reverse (111210020211012), we get a palindrome (321322040223123).

The spelling of 210112020012111 in words is "two hundred ten trillion, one hundred twelve billion, twenty million, twelve thousand, one hundred eleven".

Divisors: 1 3 7 21 4937 14811 34559 103677 2026602043 6079806129 14186214301 42558642903 10005334286291 30016002858873 70037340004037 210112020012111