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120022121220221 = 1119604355656677
BaseRepresentation
bin11011010010100011010011…
…111001101000100001111101
3120201222000001222202110022002
4123102203103321220201331
5111212420301013021341
61103133222403232045
734165212023355443
oct3322432371504175
9521860058673262
10120022121220221
11352741065053a0
1211565111678625
1351c80644120ac
14218d15cd66b93
15dd20b672b29b
hex6d28d3e6887d

120022121220221 has 8 divisors (see below), whose sum is σ = 130933893381984. Its totient is φ = 109110460763920.

The previous prime is 120022121220161. The next prime is 120022121220223. The reversal of 120022121220221 is 122022121220021.

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

It is not a de Polignac number, because 120022121220221 - 246 = 49653377042557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120022121220193 and 120022121220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022121220223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25671866 + ... + 29984811.

It is an arithmetic number, because the mean of its divisors is an integer number (16366736672748).

Almost surely, 2120022121220221 is an apocalyptic number.

120022121220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120022121220221 is a deficient number, since it is larger than the sum of its proper divisors (10911772161763).

120022121220221 is a wasteful number, since it uses less digits than its factorization.

120022121220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55852731.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120022121220221 its reverse (122022121220021), we get a palindrome (242044242440242).

The spelling of 120022121220221 in words is "one hundred twenty trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 11 196043 2156473 55656677 612223447 10911101929111 120022121220221