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100121110 = 2510012111
BaseRepresentation
bin1011111011110…
…11101000010110
320222101200100021
411331323220112
5201112333420
613533535354
72324005165
oct575735026
9228350307
10100121110
1151574521
122964455a
131798697b
14d4233dc
158bca7aa
hex5f7ba16

100121110 has 8 divisors (see below), whose sum is σ = 180218016. Its totient is φ = 40048440.

The previous prime is 100121039. The next prime is 100121111. The reversal of 100121110 is 11121001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100121093 and 100121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006046 + ... + 5006065.

It is an arithmetic number, because the mean of its divisors is an integer number (22527252).

Almost surely, 2100121110 is an apocalyptic number.

100121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121110 is a deficient number, since it is larger than the sum of its proper divisors (80096906).

100121110 is a wasteful number, since it uses less digits than its factorization.

100121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012118.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 100121110 is about 10006.0536676554. The cubic root of 100121110 is about 464.3461887077.

Adding to 100121110 its reverse (11121001), we get a palindrome (111242111).

The spelling of 100121110 in words is "one hundred million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 10012111 20024222 50060555 100121110