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103311120221 = 792694861471
BaseRepresentation
bin110000000110111010…
…0101001011101011101
3100212122221002200021222
41200031310221131131
53143040121321341
6115243243503125
710315101014141
oct1401564513535
9325587080258
10103311120221
113a8a54857a1
1218032827aa5
1399857b648a
145000ad3221
152a49c8744b
hex180dd2975d

103311120221 has 8 divisors (see below), whose sum is σ = 105007795200. Its totient is φ = 101624168880.

The previous prime is 103311120197. The next prime is 103311120331. The reversal of 103311120221 is 122021113301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103311120221 is a prime.

It is a super-2 number, since 2×1033111202212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103311120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311180221) 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, 2409485 + ... + 2451986.

It is an arithmetic number, because the mean of its divisors is an integer number (13125974400).

Almost surely, 2103311120221 is an apocalyptic number.

It is an amenable number.

103311120221 is a deficient number, since it is larger than the sum of its proper divisors (1696674979).

103311120221 is an equidigital number, since it uses as much as digits as its factorization.

103311120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861819.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103311120221 its reverse (122021113301), we get a palindrome (225332233522).

The spelling of 103311120221 in words is "one hundred three billion, three hundred eleven million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 79 269 21251 4861471 384056209 1307735699 103311120221