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101112121102001 = 312224969467689
BaseRepresentation
bin10110111111011000000000…
…000011111000111010110001
3111021000020001120101002002012
4112333120000003320322301
5101223110111000231001
6555014133413332305
730204052422424502
oct2677300003707261
9437006046332065
10101112121102001
112a243456413539
12b410258937095
134455aa81a7409
141ad7bd201cba9
15ba52594632bb
hex5bf6000f8eb1

101112121102001 has 12 divisors (see below), whose sum is σ = 104479705764900. Its totient is φ = 97849795605120.

The previous prime is 101112121101989. The next prime is 101112121102037. The reversal of 101112121102001 is 100201121211101.

It can be written as a sum of positive squares in 2 ways, for example, as 7971864255601 + 93140256846400 = 2823449^2 + 9650920^2 .

It is a de Polignac number, because none of the positive numbers 2k-101112121102001 is a prime.

It is a super-2 number, since 2×1011121211020012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101112121105001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215961365 + ... + 216429053.

It is an arithmetic number, because the mean of its divisors is an integer number (8706642147075).

Almost surely, 2101112121102001 is an apocalyptic number.

It is an amenable number.

101112121102001 is a deficient number, since it is larger than the sum of its proper divisors (3367584662899).

101112121102001 is an equidigital number, since it uses as much as digits as its factorization.

101112121102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692720 (or 692689 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101112121102001 its reverse (100201121211101), we get a palindrome (201313242313102).

The spelling of 101112121102001 in words is "one hundred one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred two thousand, one".

Divisors: 1 31 961 224969 467689 6974039 14498359 216195209 449449129 105215526641 3261681325871 101112121102001