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10112211100021 = 71144798428133
BaseRepresentation
bin1001001100100110111011…
…0000000010000101110101
31022210201101101012202012211
42103021232300002011311
52311134302020200041
633301252522213421
72062404006064432
oct223115660020565
938721341182184
1010112211100021
1132496235a5318
121173993054271
13584767772224
1426d60dc3cb89
151280961eb481
hex9326ec02175

10112211100021 has 8 divisors (see below), whose sum is σ = 10261723538304. Its totient is φ = 9962895521040.

The previous prime is 10112211099989. The next prime is 10112211100031. The reversal of 10112211100021 is 12000111221101.

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 not a de Polignac number, because 10112211100021 - 25 = 10112211099989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112211099974 and 10112211100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112211100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49111330 + ... + 49316803.

It is an arithmetic number, because the mean of its divisors is an integer number (1282715442288).

Almost surely, 210112211100021 is an apocalyptic number.

It is an amenable number.

10112211100021 is a deficient number, since it is larger than the sum of its proper divisors (149512438283).

10112211100021 is an equidigital number, since it uses as much as digits as its factorization.

10112211100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98429651.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10112211100021 its reverse (12000111221101), we get a palindrome (22112322321122).

The spelling of 10112211100021 in words is "ten trillion, one hundred twelve billion, two hundred eleven million, one hundred thousand, twenty-one".

Divisors: 1 71 1447 102737 98428133 6988397443 142425508451 10112211100021