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23120221102111 = 77952883790589
BaseRepresentation
bin1010100000111000110001…
…00100001110000000011111
310000212021022221221112200101
411100130120210032000133
511012300203100231421
6121101141041041531
74604244426544660
oct520343044160037
9100767287845611
1023120221102111
11740425a084151
122714a2b3262a7
13cb92c5a63243
1459d04b9b3367
152a1623ba7191
hex15071890e01f

23120221102111 has 16 divisors (see below), whose sum is σ = 26758119398400. Its totient is φ = 19566085320288.

The previous prime is 23120221102103. The next prime is 23120221102133. The reversal of 23120221102111 is 11120112202132.

It is a cyclic number.

It is not a de Polignac number, because 23120221102111 - 23 = 23120221102103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120221102411) 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, 28849005 + ... + 29639593.

It is an arithmetic number, because the mean of its divisors is an integer number (1672382462400).

Almost surely, 223120221102111 is an apocalyptic number.

23120221102111 is a deficient number, since it is larger than the sum of its proper divisors (3637898296289).

23120221102111 is an equidigital number, since it uses as much as digits as its factorization.

23120221102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843558.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 23120221102111 its reverse (11120112202132), we get a palindrome (34240333304243).

The spelling of 23120221102111 in words is "twenty-three trillion, one hundred twenty billion, two hundred twenty-one million, one hundred two thousand, one hundred eleven".

Divisors: 1 7 79 553 52883 370181 790589 4177757 5534123 29244299 62456531 437195717 41808718087 292661026609 3302888728873 23120221102111