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101100220211 = 182355458157
BaseRepresentation
bin101111000101000001…
…0101110111100110011
3100122221211220022122102
41132022002232330303
53124023124021321
6114240024331015
710206233456414
oct1361202567463
9318854808572
10101100220211
1139970490901
1217716313a6b
1396c2739713
144c7121980b
15296ab15c0b
hex178a0aef33

101100220211 has 4 divisors (see below), whose sum is σ = 101155680192. Its totient is φ = 101044760232.

The previous prime is 101100220201. The next prime is 101100220213. The reversal of 101100220211 is 112022001101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112022001101 = 234870521787.

It is a cyclic number.

It is not a de Polignac number, because 101100220211 - 222 = 101096025907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100220192 and 101100220201.

It is not an unprimeable number, because it can be changed into a prime (101100220213) 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, 27727256 + ... + 27730901.

It is an arithmetic number, because the mean of its divisors is an integer number (25288920048).

Almost surely, 2101100220211 is an apocalyptic number.

101100220211 is a deficient number, since it is larger than the sum of its proper divisors (55459981).

101100220211 is an equidigital number, since it uses as much as digits as its factorization.

101100220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55459980.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101100220211 its reverse (112022001101), we get a palindrome (213122221312).

The spelling of 101100220211 in words is "one hundred one billion, one hundred million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 1823 55458157 101100220211