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122001101112111 = 3133128233361849
BaseRepresentation
bin11011101111010110011000…
…010010110100001100101111
3120222222012011111120011202120
4123233112120102310030233
5111442331223341041421
61111250310534324023
734461201006036504
oct3357263022641457
9528865144504676
10122001101112111
1135967416019901
1211824769ab9613
13530c867b40c70
14221ac55c6b4ab
15e187de1388c6
hex6ef5984b432f

122001101112111 has 8 divisors (see below), whose sum is σ = 175181068263600. Its totient is φ = 75077600684352.

The previous prime is 122001101112101. The next prime is 122001101112139. The reversal of 122001101112111 is 111211101100221.

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

It is a de Polignac number, because none of the positive numbers 2k-122001101112111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001101112101) 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, 1564116680886 + ... + 1564116680963.

It is an arithmetic number, because the mean of its divisors is an integer number (21897633532950).

Almost surely, 2122001101112111 is an apocalyptic number.

122001101112111 is a deficient number, since it is larger than the sum of its proper divisors (53179967151489).

122001101112111 is a wasteful number, since it uses less digits than its factorization.

122001101112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128233361865.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 122001101112111 its reverse (111211101100221), we get a palindrome (233212202212332).

The spelling of 122001101112111 in words is "one hundred twenty-two trillion, one billion, one hundred one million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 3 13 39 3128233361849 9384700085547 40667033704037 122001101112111