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121210110001122 = 2320201685000187
BaseRepresentation
bin11011100011110101101101…
…100011001011111111100010
3120220011120110222020102012220
4123203311231203023333202
5111341401301130013442
61105443053353531510
734350066343400142
oct3343655543137742
9526146428212186
10121210110001122
1135691a1217782a
12117173b8713b96
1352830ab43785c
1421d085a192922
15e02e46bcbeec
hex6e3d6d8cbfe2

121210110001122 has 8 divisors (see below), whose sum is σ = 242420220002256. Its totient is φ = 40403370000372.

The previous prime is 121210110001087. The next prime is 121210110001151. The reversal of 121210110001122 is 221100011012121.

It is a happy number.

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

121210110001122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100842500088 + ... + 10100842500099.

It is an arithmetic number, because the mean of its divisors is an integer number (30302527500282).

Almost surely, 2121210110001122 is an apocalyptic number.

121210110001122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121210110001122 is a wasteful number, since it uses less digits than its factorization.

121210110001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201685000192.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121210110001122 its reverse (221100011012121), we get a palindrome (342310121013243).

The spelling of 121210110001122 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred ten million, one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 20201685000187 40403370000374 60605055000561 121210110001122