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2102012122222 = 21331378945847
BaseRepresentation
bin11110100101101001101…
…011111001010001101110
321102221122211122121000001
4132211221223321101232
5233414410100402342
64245352342454514
7304602551144065
oct36455153712156
97387584577001
102102012122222
11740505053111
1229b47373443a
131232acba397c
1473a48c431dc
1539a28bc18b7
hex1e969af946e

2102012122222 has 8 divisors (see below), whose sum is σ = 3153255060816. Its totient is φ = 1050927101952.

The previous prime is 2102012122213. The next prime is 2102012122229. The reversal of 2102012122222 is 2222212102012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2102012122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102012122229) 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, 39446298 + ... + 39499549.

It is an arithmetic number, because the mean of its divisors is an integer number (394156882602).

Almost surely, 22102012122222 is an apocalyptic number.

2102012122222 is a deficient number, since it is larger than the sum of its proper divisors (1051242938594).

2102012122222 is a wasteful number, since it uses less digits than its factorization.

2102012122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78959162.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2102012122222 its reverse (2222212102012), we get a palindrome (4324224224234).

The spelling of 2102012122222 in words is "two trillion, one hundred two billion, twelve million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 13313 26626 78945847 157891694 1051006061111 2102012122222