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121022201201 = 113182349877
BaseRepresentation
bin111000010110101111…
…1000011110101110001
3102120101020121210221012
41300231133003311301
53440323140414301
6131332525440305
711513020510556
oct1605537036561
9376336553835
10121022201201
1147363972000
121b556110095
13b548bc8855
145c00dd2a2d
153234abeebb
hex1c2d7c3d71

121022201201 has 16 divisors (see below), whose sum is σ = 133191019008. Its totient is φ = 109957627120.

The previous prime is 121022201189. The next prime is 121022201213. The reversal of 121022201201 is 102102220121.

It is an interprime number because it is at equal distance from previous prime (121022201189) and next prime (121022201213).

It is not a de Polignac number, because 121022201201 - 214 = 121022184817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022261201) 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, 2401475 + ... + 2451351.

It is an arithmetic number, because the mean of its divisors is an integer number (8324438688).

Almost surely, 2121022201201 is an apocalyptic number.

121022201201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121022201201 is a deficient number, since it is larger than the sum of its proper divisors (12168817807).

121022201201 is an equidigital number, since it uses as much as digits as its factorization.

121022201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51733 (or 51711 counting only the distinct ones).

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

Adding to 121022201201 its reverse (102102220121), we get a palindrome (223124421322).

It can be divided in two parts, 12102220120 and 1, that added together give a palindrome (12102220121).

The spelling of 121022201201 in words is "one hundred twenty-one billion, twenty-two million, two hundred one thousand, two hundred one".

Divisors: 1 11 121 1331 1823 20053 49877 220583 548647 2426413 6035117 66386287 90925771 1000183481 11002018291 121022201201