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211122112302020 = 22531340519535971
BaseRepresentation
bin110000000000001110110010…
…100000100000101111000100
31000200112002002000010102000102
4300000032302200200233010
5210133011041222131040
62025004054235303232
762320032520115363
oct6000166240405704
91020462060112012
10211122112302020
11612a74264a8127
121b818a682aab18
1390a59643a473a
143a1c516c717da
151961b85d96515
hexc003b2820bc4

211122112302020 has 24 divisors (see below), whose sum is σ = 457658256346368. Its totient is φ = 81724688632800.

The previous prime is 211122112301987. The next prime is 211122112302133. The reversal of 211122112302020 is 20203211221112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 211122112301983 and 211122112302001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170259767366 + ... + 170259768605.

It is an arithmetic number, because the mean of its divisors is an integer number (19069094014432).

Almost surely, 2211122112302020 is an apocalyptic number.

211122112302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122112302020 is an abundant number, since it is smaller than the sum of its proper divisors (246536144044348).

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

211122112302020 is a wasteful number, since it uses less digits than its factorization.

211122112302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340519536011 (or 340519536009 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211122112302020 its reverse (20203211221112), we get a palindrome (231325323523132).

The spelling of 211122112302020 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, three hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 340519535971 681039071942 1362078143884 1702597679855 3405195359710 6810390719420 10556105615101 21112211230202 42224422460404 52780528075505 105561056151010 211122112302020