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101210112211 = 137785393247
BaseRepresentation
bin101111001000010010…
…1111100000011010011
3100200020111200102010111
41132100211330003103
53124234242042321
6114254551542151
710212036521305
oct1362045740323
9320214612114
10101210112211
1139a1751933a
121774708a957
13970c434880
144c81a63975
1529755c15e1
hex179097c0d3

101210112211 has 4 divisors (see below), whose sum is σ = 108995505472. Its totient is φ = 93424718952.

The previous prime is 101210112197. The next prime is 101210112233. The reversal of 101210112211 is 112211012101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112211012101 = 1083110360171.

It is a cyclic number.

It is not a de Polignac number, because 101210112211 - 217 = 101209981139 is a prime.

It is a super-3 number, since 3×1012101122113 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7785393247 = 101210112211 / (1 + 0 + 1 + 2 + 1 + 0 + 1 + 1 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210112191 and 101210112200.

It is not an unprimeable number, because it can be changed into a prime (101210112281) 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, 3892696611 + ... + 3892696636.

It is an arithmetic number, because the mean of its divisors is an integer number (27248876368).

Almost surely, 2101210112211 is an apocalyptic number.

101210112211 is a deficient number, since it is larger than the sum of its proper divisors (7785393261).

101210112211 is an equidigital number, since it uses as much as digits as its factorization.

101210112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785393260.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101210112211 its reverse (112211012101), we get a palindrome (213421124312).

The spelling of 101210112211 in words is "one hundred one billion, two hundred ten million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 13 7785393247 101210112211