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121301202021011 = 3311889194001529
BaseRepresentation
bin11011100101001010100011…
…000011101010101010010011
3120220111021121022221111000022
4123211022203003222222103
5111344344330204133021
61105553000344014055
734356502602652145
oct3345124303525223
9526437538844008
10121301202021011
11357176072525a1
1211730b9b16132b
13528b86757543c
1421d501c112c95
15e054c8d651ab
hex6e52a30eaa93

121301202021011 has 8 divisors (see below), whose sum is σ = 121732080044400. Its totient is φ = 120870712005120.

The previous prime is 121301202020969. The next prime is 121301202021067. The reversal of 121301202021011 is 110120202103121.

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 a de Polignac number, because none of the positive numbers 2k-121301202021011 is a prime.

It is a super-2 number, since 2×1213012020210112 (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 (121301202021611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96375506 + ... + 97626023.

It is an arithmetic number, because the mean of its divisors is an integer number (15216510005550).

Almost surely, 2121301202021011 is an apocalyptic number.

121301202021011 is a deficient number, since it is larger than the sum of its proper divisors (430878023389).

121301202021011 is a wasteful number, since it uses less digits than its factorization.

121301202021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194003749.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121301202021011 its reverse (110120202103121), we get a palindrome (231421404124132).

The spelling of 121301202021011 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred two million, twenty-one thousand, eleven".

Divisors: 1 331 1889 625259 194001529 64214506099 366468888281 121301202021011