Base | Representation |
---|---|
bin | 11011101111101001000000… |
… | …011100111101000000011101 |
3 | 121000001002210102011021112122 |
4 | 123233221000130331000131 |
5 | 111443143204131223401 |
6 | 1111303415343312325 |
7 | 34462506443421452 |
oct | 3357510034750035 |
9 | 530032712137478 |
10 | 122021102211101 |
11 | 3597494a129585 |
12 | 118286102ab6a5 |
13 | 5311704811b92 |
14 | 221bbd235b829 |
15 | e190b002021b |
hex | 6efa4073d01d |
122021102211101 has 4 divisors (see below), whose sum is σ = 122021149880604. Its totient is φ = 122021054541600.
The previous prime is 122021102211083. The next prime is 122021102211119. The reversal of 122021102211101 is 101112201120221.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (122021102211083) and next prime (122021102211119).
It can be written as a sum of positive squares in 2 ways, for example, as 55979052067225 + 66042050143876 = 7481915^2 + 8126626^2 .
It is a cyclic number.
It is not a de Polignac number, because 122021102211101 - 26 = 122021102211037 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122021102211101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021102214101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19763330 + ... + 25191891.
It is an arithmetic number, because the mean of its divisors is an integer number (30505287470151).
Almost surely, 2122021102211101 is an apocalyptic number.
It is an amenable number.
122021102211101 is a deficient number, since it is larger than the sum of its proper divisors (47669503).
122021102211101 is an equidigital number, since it uses as much as digits as its factorization.
122021102211101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47669502.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 122021102211101 its reverse (101112201120221), we get a palindrome (223133303331322).
The spelling of 122021102211101 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred two million, two hundred eleven thousand, one hundred one".
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