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121122233331231 = 3113670370707007
BaseRepresentation
bin11011100010100011110111…
…101100010010111000011111
3120212212011122200210001102110
4123202203313230102320133
5111333431313213044411
61105334441423525103
734340535566126316
oct3342436754227037
9525764580701373
10121122233331231
113565871807a010
1211702372a59793
135277a154b1532
1421ca4c129527d
15e00a01e752a6
hex6e28f7b12e1f

121122233331231 has 8 divisors (see below), whose sum is σ = 176177793936384. Its totient is φ = 73407414140120.

The previous prime is 121122233331179. The next prime is 121122233331257. The reversal of 121122233331231 is 132133332221121.

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 121122233331231 - 27 = 121122233331103 is a prime.

It is a super-2 number, since 2×1211222333312312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122233331271) 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, 1835185353471 + ... + 1835185353536.

It is an arithmetic number, because the mean of its divisors is an integer number (22022224242048).

Almost surely, 2121122233331231 is an apocalyptic number.

121122233331231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121122233331231 is a deficient number, since it is larger than the sum of its proper divisors (55055560605153).

121122233331231 is a wasteful number, since it uses less digits than its factorization.

121122233331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670370707021.

The product of its digits is 7776, while the sum is 30.

Adding to 121122233331231 its reverse (132133332221121), we get a palindrome (253255565552352).

The spelling of 121122233331231 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 3 11 33 3670370707007 11011112121021 40374077777077 121122233331231