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2122210022101 = 131783115695907
BaseRepresentation
bin11110111000011101100…
…100110001001011010101
321111212210110120012211221
4132320131210301023111
5234232241231201401
64302532501530341
7306216225360421
oct36703544611325
97455713505757
102122210022101
1174902a260254
122a336ba139b1
1312517b57ba10
1474a03521b81
153a30bece7a1
hex1ee1d9312d5

2122210022101 has 16 divisors (see below), whose sum is σ = 2449050980544. Its totient is φ = 1821516344064.

The previous prime is 2122210022089. The next prime is 2122210022129. The reversal of 2122210022101 is 1012200122212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2122210022101 - 225 = 2122176467669 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 (2122210622101) 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, 57829611 + ... + 57866296.

It is an arithmetic number, because the mean of its divisors is an integer number (153065686284).

Almost surely, 22122210022101 is an apocalyptic number.

It is an amenable number.

2122210022101 is a deficient number, since it is larger than the sum of its proper divisors (326840958443).

2122210022101 is a wasteful number, since it uses less digits than its factorization.

2122210022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115696020.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122210022101 its reverse (1012200122212), we get a palindrome (3134410144313).

The spelling of 2122210022101 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, twenty-two thousand, one hundred one".

Divisors: 1 13 17 83 221 1079 1411 18343 115695907 1504046791 1966830419 9602760281 25568795447 124835883653 163246924777 2122210022101