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2112111110202 = 233736679141301
BaseRepresentation
bin11110101111000011101…
…000011110100000111010
321110220201122200100002220
4132233003220132200322
5234101100421011302
64254142423104510
7305411040134532
oct36570350364072
97426648610086
102112111110202
11744817728275
122a14118a2136
1312422c23c0c2
14743261b24c2
1539e1a5d44bc
hex1ebc3a1e83a

2112111110202 has 32 divisors (see below), whose sum is σ = 4236211351680. Its totient is φ = 702039441600.

The previous prime is 2112111110201. The next prime is 2112111110269. The reversal of 2112111110202 is 2020111112112.

It is a happy number.

It is a super-2 number, since 2×21121111102022 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112111110201) 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, 14876952 + ... + 15018252.

It is an arithmetic number, because the mean of its divisors is an integer number (132381604740).

Almost surely, 22112111110202 is an apocalyptic number.

2112111110202 is an abundant number, since it is smaller than the sum of its proper divisors (2124100241478).

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

2112111110202 is a wasteful number, since it uses less digits than its factorization.

2112111110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148358.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112111110202 its reverse (2020111112112), we get a palindrome (4132222222314).

The spelling of 2112111110202 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 373 746 1119 2238 6679 13358 20037 40074 141301 282602 423903 847806 2491267 4982534 7473801 14947602 52705273 105410546 158115819 316231638 943749379 1887498758 2831248137 5662496274 352018518367 704037036734 1056055555101 2112111110202