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201112131120 = 2435171373311087
BaseRepresentation
bin1011101101001100110…
…1111001011000110000
3201020002211221210120220
42323103031321120300
511243334201143440
6232220054533040
720346513623535
oct2732315713060
9636084853526
10201112131120
117832261182a
1232b88067180
1315c70859724
149a3ba9ad8c
155370e048d0
hex2ed3379630

201112131120 has 320 divisors, whose sum is σ = 667561844736. Its totient is φ = 49909432320.

The previous prime is 201112131113. The next prime is 201112131197. The reversal of 201112131120 is 21131211102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201112131120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185015217 + ... + 185016303.

Almost surely, 2201112131120 is an apocalyptic number.

201112131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201112131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333780922368).

201112131120 is an abundant number, since it is smaller than the sum of its proper divisors (466449713616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201112131120 is a wasteful number, since it uses less digits than its factorization.

201112131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201112131120 its reverse (21131211102), we get a palindrome (222243342222).

The spelling of 201112131120 in words is "two hundred one billion, one hundred twelve million, one hundred thirty-one thousand, one hundred twenty".