Search a number
-
+
33221100121 = 113197422581
BaseRepresentation
bin11110111100001000…
…011100001001011001
310011202020100202001121
4132330020130021121
51021014100200441
623132255245241
72254151456206
oct367410341131
9104666322047
1033221100121
11130a8499250
126531819821
1331958109c1
141872166cad
15ce67e3dd1
hex7bc21c259

33221100121 has 8 divisors (see below), whose sum is σ = 37410271488. Its totient is φ = 29226774000.

The previous prime is 33221100109. The next prime is 33221100131. The reversal of 33221100121 is 12100112233.

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 33221100121 - 211 = 33221098073 is a prime.

It is a super-2 number, since 2×332211001212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33221100095 and 33221100104.

It is not an unprimeable number, because it can be changed into a prime (33221100131) 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 7 ways as a sum of consecutive naturals, for example, 48710950 + ... + 48711631.

It is an arithmetic number, because the mean of its divisors is an integer number (4676283936).

Almost surely, 233221100121 is an apocalyptic number.

33221100121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33221100121 is a deficient number, since it is larger than the sum of its proper divisors (4189171367).

33221100121 is a wasteful number, since it uses less digits than its factorization.

33221100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97422623.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 33221100121 its reverse (12100112233), we get a palindrome (45321212354).

The spelling of 33221100121 in words is "thirty-three billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-one".

Divisors: 1 11 31 341 97422581 1071648391 3020100011 33221100121