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121100130311 = 1923277117003
BaseRepresentation
bin111000011001000100…
…0010101100000000111
3102120120200021000120112
41300302020111200013
53441003113132221
6131344352023235
711514655060256
oct1606210254007
9376520230515
10121100130311
11473a3959326
121b578231b1b
13b55c0b2454
145c0b4ba79d
15323b86515b
hex1c32215807

121100130311 has 8 divisors (see below), whose sum is σ = 133016161920. Its totient is φ = 109738332792.

The previous prime is 121100130293. The next prime is 121100130313. The reversal of 121100130311 is 113031001121.

It is a happy number.

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-121100130311 is a prime.

It is a super-2 number, since 2×1211001303112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100130313) 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, 138558065 + ... + 138558938.

It is an arithmetic number, because the mean of its divisors is an integer number (16627020240).

Almost surely, 2121100130311 is an apocalyptic number.

121100130311 is a deficient number, since it is larger than the sum of its proper divisors (11916031609).

121100130311 is a wasteful number, since it uses less digits than its factorization.

121100130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277117045.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121100130311 its reverse (113031001121), we get a palindrome (234131131432).

The spelling of 121100130311 in words is "one hundred twenty-one billion, one hundred million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 19 23 437 277117003 5265223057 6373691069 121100130311