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2111113322101 = 72192131911039
BaseRepresentation
bin11110101110001000001…
…010001101111001110101
321110211011010011110011001
4132232020022031321311
5234042030002301401
64253455421043301
7305344233105400
oct36561012157165
97424133143131
102111113322101
11744355485303
122a11936b6531
131241005c7944
147426d87cd37
1539dacbdd601
hex1eb8828de75

2111113322101 has 36 divisors (see below), whose sum is σ = 2611627349760. Its totient is φ = 1701199478160.

The previous prime is 2111113322083. The next prime is 2111113322107. The reversal of 2111113322101 is 1012233111112.

It is not a de Polignac number, because 2111113322101 - 27 = 2111113321973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111113322107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1861740 + ... + 2772778.

It is an arithmetic number, because the mean of its divisors is an integer number (72545204160).

Almost surely, 22111113322101 is an apocalyptic number.

It is an amenable number.

2111113322101 is a deficient number, since it is larger than the sum of its proper divisors (500514027659).

2111113322101 is a wasteful number, since it uses less digits than its factorization.

2111113322101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911222 (or 911196 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2111113322101 its reverse (1012233111112), we get a palindrome (3123346433213).

The spelling of 2111113322101 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred one".

Divisors: 1 7 19 49 131 133 361 917 931 2489 2527 6419 17423 17689 47291 121961 331037 911039 2317259 6377273 17309741 44640911 119346109 121168187 328885079 835422763 848177309 2267576071 2302195553 5847959341 15873032497 16115368871 43083945349 111111227479 301587617443 2111113322101