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122120020121011 = 1123801946642579
BaseRepresentation
bin11011110001000101001000…
…011010110101010110110011
3121000101120010011122202020121
4123301011020122311112303
5112001303300122333021
61111421055053351111
734502610640656403
oct3361051032652663
9530346104582217
10122120020121011
1135a0289a772350
1211843817798497
13531ab3a0a1913
1422228d77c2803
15e1b94e260741
hex6f11486b55b3

122120020121011 has 8 divisors (see below), whose sum is σ = 133222402699200. Its totient is φ = 111017731304040.

The previous prime is 122120020121003. The next prime is 122120020121027. The reversal of 122120020121011 is 110121020021221.

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

It is not a de Polignac number, because 122120020121011 - 23 = 122120020121003 is a prime.

It is a super-2 number, since 2×1221200201210112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120020191011) 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, 20703081 + ... + 25939498.

It is an arithmetic number, because the mean of its divisors is an integer number (16652800337400).

Almost surely, 2122120020121011 is an apocalyptic number.

122120020121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122120020121011 is a deficient number, since it is larger than the sum of its proper divisors (11102382578189).

122120020121011 is a wasteful number, since it uses less digits than its factorization.

122120020121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46880609.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122120020121011 its reverse (110121020021221), we get a palindrome (232241040142232).

The spelling of 122120020121011 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, eleven".

Divisors: 1 11 238019 2618209 46642579 513068369 11101820011001 122120020121011