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121022131223311 = 3112379315367939
BaseRepresentation
bin11011100001000110101001…
…001001000011101100001111
3120212111121021102000002102221
4123201012221021003230033
5111330311311043121221
61105220444412200211
734330363142216143
oct3341065111035417
9525447242002387
10121022131223311
113561a21a0427aa
12116a6a96a69067
13526b4517a0a06
1421c5706855223
15ded0e3cbb541
hex6e11a9243b0f

121022131223311 has 8 divisors (see below), whose sum is σ = 124936163110400. Its totient is φ = 117108730096920.

The previous prime is 121022131223309. The next prime is 121022131223327. The reversal of 121022131223311 is 113322131220121.

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 121022131223311 - 21 = 121022131223309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022131223711) 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, 157300221 + ... + 158067718.

It is an arithmetic number, because the mean of its divisors is an integer number (15617020388800).

Almost surely, 2121022131223311 is an apocalyptic number.

121022131223311 is a deficient number, since it is larger than the sum of its proper divisors (3914031887089).

121022131223311 is a wasteful number, since it uses less digits than its factorization.

121022131223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315380349.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121022131223311 its reverse (113322131220121), we get a palindrome (234344262443432).

The spelling of 121022131223311 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred eleven".

Divisors: 1 31 12379 383749 315367939 9776406109 3903939716881 121022131223311