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122011021121011 = 1115668117079291
BaseRepresentation
bin11011101111011111100111…
…100100101001010111110011
3121000000010202211210211201121
4123233133213210221113303
5111443012032401333021
61111255031142443111
734462001562523321
oct3357374744512763
9530003684724647
10122011021121011
1135970646669370
1211826678133497
1353107890a2109
14221b51752ad11
15e18bbee95741
hex6ef7e79295f3

122011021121011 has 8 divisors (see below), whose sum is σ = 133103035885248. Its totient is φ = 110919023649000.

The previous prime is 122011021121009. The next prime is 122011021121023. The reversal of 122011021121011 is 110121120110221.

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 122011021121011 - 21 = 122011021121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122011021121051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13695276 + ... + 20774566.

It is an arithmetic number, because the mean of its divisors is an integer number (16637879485656).

Almost surely, 2122011021121011 is an apocalyptic number.

122011021121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122011021121011 is a deficient number, since it is larger than the sum of its proper divisors (11092014764237).

122011021121011 is a wasteful number, since it uses less digits than its factorization.

122011021121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646113.

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

Adding to 122011021121011 its reverse (110121120110221), we get a palindrome (232132141231232).

The spelling of 122011021121011 in words is "one hundred twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-one thousand, eleven".

Divisors: 1 11 1566811 7079291 17234921 77872201 11091911011001 122011021121011