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121022111201 = 317515198321
BaseRepresentation
bin111000010110101111…
…0101101110111100001
3102120101020110020110212
41300231132231313201
53440323130024301
6131332523503505
711513016654305
oct1605536556741
9376336406425
10121022111201
1147363910422
121b556087b95
13b548b968b4
145c00dabd05
153234aa34bb
hex1c2d7adde1

121022111201 has 8 divisors (see below), whose sum is σ = 125092420608. Its totient is φ = 116962200000.

The previous prime is 121022111191. The next prime is 121022111281. The reversal of 121022111201 is 102111220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121022111201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121022111281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575880 + ... + 2622441.

It is an arithmetic number, because the mean of its divisors is an integer number (15636552576).

Almost surely, 2121022111201 is an apocalyptic number.

It is an amenable number.

121022111201 is a deficient number, since it is larger than the sum of its proper divisors (4070309407).

121022111201 is an equidigital number, since it uses as much as digits as its factorization.

121022111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199103.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121022111201 its reverse (102111220121), we get a palindrome (223133331322).

The spelling of 121022111201 in words is "one hundred twenty-one billion, twenty-two million, one hundred eleven thousand, two hundred one".

Divisors: 1 31 751 23281 5198321 161147951 3903939071 121022111201