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11210122222122 = 2371228111536537
BaseRepresentation
bin1010001100100000111101…
…0110100101101000101010
31110200200021200200112011110
42203020033112211220222
52432131312242101442
635501505320011150
72234622164460105
oct243101726455052
943620250615143
1011210122222122
11363220582443a
12131071b300ab6
13634157854b75
142aa803b1373c
151469035d069c
hexa320f5a5a2a

11210122222122 has 32 divisors (see below), whose sum is σ = 22745992074624. Its totient is φ = 3682462291200.

The previous prime is 11210122222081. The next prime is 11210122222129. The reversal of 11210122222122 is 22122222101211.

It is not an unprimeable number, because it can be changed into a prime (11210122222129) 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, 4796563 + ... + 6739974.

It is an arithmetic number, because the mean of its divisors is an integer number (710812252332).

Almost surely, 211210122222122 is an apocalyptic number.

11210122222122 is an abundant number, since it is smaller than the sum of its proper divisors (11535869852502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210122222122 is a wasteful number, since it uses less digits than its factorization.

11210122222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11538894.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11210122222122 its reverse (22122222101211), we get a palindrome (33332344323333).

The spelling of 11210122222122 in words is "eleven trillion, two hundred ten billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 71 142 213 426 2281 4562 6843 13686 161951 323902 485853 971706 11536537 23073074 34609611 69219222 819094127 1638188254 2457282381 4914564762 26314840897 52629681794 78944522691 157889045382 1868353703687 3736707407374 5605061111061 11210122222122