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21112201202 = 2291516173907
BaseRepresentation
bin10011101010011000…
…101001111111110010
32000111100022221110212
4103222120221333302
5321214210414302
613410535424122
71345115515001
oct235230517762
960440287425
1021112201202
118a54318274
124112525042
131cb5c3b061
141043cbcc38
15838712052
hex4ea629ff2

21112201202 has 32 divisors (see below), whose sum is σ = 33039169920. Its totient is φ = 10105603200.

The previous prime is 21112201163. The next prime is 21112201261. The reversal of 21112201202 is 20210221112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5401733 + ... + 5405639.

It is an arithmetic number, because the mean of its divisors is an integer number (1032474060).

Almost surely, 221112201202 is an apocalyptic number.

21112201202 is a deficient number, since it is larger than the sum of its proper divisors (11926968718).

21112201202 is a wasteful number, since it uses less digits than its factorization.

21112201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21112201202 its reverse (20210221112), we get a palindrome (41322422314).

The spelling of 21112201202 in words is "twenty-one billion, one hundred twelve million, two hundred one thousand, two hundred two".

Divisors: 1 2 29 58 151 302 617 1234 3907 4379 7814 8758 17893 35786 93167 113303 186334 226606 589957 1179914 2410619 2701843 4821238 5403686 17108753 34217506 69907951 139815902 364003469 728006938 10556100601 21112201202