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101201111210 = 2529615720809
BaseRepresentation
bin101111001000000001…
…1100110100010101010
3100200012212202010002002
41132100003212202222
53124224441024320
6114254031011002
710211600152313
oct1362003464252
9320185663062
10101201111210
1139a124307a1
1217744069a62
13970a602934
144c8079d60a
1529748e4675
hex17900e68aa

101201111210 has 32 divisors (see below), whose sum is σ = 191532718800. Its totient is φ = 38443829760.

The previous prime is 101201111147. The next prime is 101201111213. The reversal of 101201111210 is 12111102101.

It can be written as a sum of positive squares in 8 ways, for example, as 9138021649 + 92063089561 = 95593^2 + 303419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101201111191 and 101201111200.

It is not an unprimeable number, because it can be changed into a prime (101201111213) 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, 2842715 + ... + 2878094.

Almost surely, 2101201111210 is an apocalyptic number.

101201111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201111210 is a deficient number, since it is larger than the sum of its proper divisors (90331607590).

101201111210 is a wasteful number, since it uses less digits than its factorization.

101201111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720906.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101201111210 its reverse (12111102101), we get a palindrome (113312213311).

The spelling of 101201111210 in words is "one hundred one billion, two hundred one million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 61 122 145 290 305 610 1769 3538 8845 17690 5720809 11441618 28604045 57208090 165903461 331806922 348969349 697938698 829517305 1659034610 1744846745 3489693490 10120111121 20240222242 50600555605 101201111210