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210110120001121 = 1971066548832493
BaseRepresentation
bin101111110001100000010011…
…000100001111111001100001
31000112221022221112001222100211
4233301200103010033321201
5210014421011210013441
62022511131232214121
762153645433360064
oct5761402304177141
91015838845058324
10210110120001121
1160a472241aa05a
121b6948ba09a341
1390313b773b882
1439c5553c528db
1519456a68d0a81
hexbf181310fe61

210110120001121 has 4 divisors (see below), whose sum is σ = 211176668833812. Its totient is φ = 209043571168432.

The previous prime is 210110120001053. The next prime is 210110120001161. The reversal of 210110120001121 is 121100021011012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174913321230400 + 35196798770721 = 13225480^2 + 5932689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210110120001121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210110120001161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533274416050 + ... + 533274416443.

It is an arithmetic number, because the mean of its divisors is an integer number (52794167208453).

Almost surely, 2210110120001121 is an apocalyptic number.

It is an amenable number.

210110120001121 is a deficient number, since it is larger than the sum of its proper divisors (1066548832691).

210110120001121 is a wasteful number, since it uses less digits than its factorization.

210110120001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066548832690.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210110120001121 its reverse (121100021011012), we get a palindrome (331210141012133).

The spelling of 210110120001121 in words is "two hundred ten trillion, one hundred ten billion, one hundred twenty million, one thousand, one hundred twenty-one".

Divisors: 1 197 1066548832493 210110120001121