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2122011130123 = 4657455660539
BaseRepresentation
bin11110111000010001101…
…110000011100100001011
321111212021121022110100101
4132320101232003210023
5234231334322130443
64302501034550231
7306211261666423
oct36702156034413
97455247273311
102122011130123
11748a37a64815
122a3315298377
131251492c1b61
14749c4d4b483
153a2e97e384d
hex1ee11b8390b

2122011130123 has 4 divisors (see below), whose sum is σ = 2122466795320. Its totient is φ = 2121555464928.

The previous prime is 2122011130093. The next prime is 2122011130163. The reversal of 2122011130123 is 3210311102212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122011130123 - 225 = 2121977575691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122011130123.

It is not an unprimeable number, because it can be changed into a prime (2122011130163) 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, 227825613 + ... + 227834926.

It is an arithmetic number, because the mean of its divisors is an integer number (530616698830).

Almost surely, 22122011130123 is an apocalyptic number.

2122011130123 is a deficient number, since it is larger than the sum of its proper divisors (455665197).

2122011130123 is an equidigital number, since it uses as much as digits as its factorization.

2122011130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455665196.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2122011130123 its reverse (3210311102212), we get a palindrome (5332322232335).

The spelling of 2122011130123 in words is "two trillion, one hundred twenty-two billion, eleven million, one hundred thirty thousand, one hundred twenty-three".

Divisors: 1 4657 455660539 2122011130123