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122111210103 = 31722431067471
BaseRepresentation
bin111000110111001100…
…1010011001001110111
3102200012010210012022020
41301232121103021313
54000040432210403
6132032551004223
711552013105621
oct1615631231167
9380163705266
10122111210103
114787265a563
121b7ba969673
13b6906cb80c
145ca58adc11
15329a4d4453
hex1c6e653277

122111210103 has 16 divisors (see below), whose sum is σ = 172469316096. Its totient is φ = 76584567680.

The previous prime is 122111210101. The next prime is 122111210147. The reversal of 122111210103 is 301012111221.

It is a cyclic number.

It is not a de Polignac number, because 122111210103 - 21 = 122111210101 is a prime.

It is a super-2 number, since 2×1221112101032 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111210101) 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, 419343 + ... + 648128.

It is an arithmetic number, because the mean of its divisors is an integer number (10779332256).

Almost surely, 2122111210103 is an apocalyptic number.

122111210103 is a deficient number, since it is larger than the sum of its proper divisors (50358105993).

122111210103 is a wasteful number, since it uses less digits than its factorization.

122111210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069734.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 122111210103 its reverse (301012111221), we get a palindrome (423123321324).

The spelling of 122111210103 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred ten thousand, one hundred three".

Divisors: 1 3 17 51 2243 6729 38131 114393 1067471 3202413 18147007 54441021 2394337453 7183012359 40703736701 122111210103