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200120101111111 = 741706126981051
BaseRepresentation
bin101101100000001000010111…
…100010100000010101000111
3222020120021221221001122102211
4231200020113202200111013
5202212231431341023421
61545341523313044251
760103125443030506
oct5540102742402507
9866507857048384
10200120101111111
1158845504a58775
121a540748b56687
1387883243b86bc
14375bc1656a83d
1518208b2d689e1
hexb602178a0547

200120101111111 has 4 divisors (see below), whose sum is σ = 200120135509224. Its totient is φ = 200120066713000.

The previous prime is 200120101111109. The next prime is 200120101111141. The reversal of 200120101111111 is 111111101021002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200120101111111 - 21 = 200120101111109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120101111091 and 200120101111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120101111141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073465 + ... + 20907586.

It is an arithmetic number, because the mean of its divisors is an integer number (50030033877306).

Almost surely, 2200120101111111 is an apocalyptic number.

200120101111111 is a deficient number, since it is larger than the sum of its proper divisors (34398113).

200120101111111 is an equidigital number, since it uses as much as digits as its factorization.

200120101111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34398112.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 200120101111111 its reverse (111111101021002), we get a palindrome (311231202132113).

The spelling of 200120101111111 in words is "two hundred trillion, one hundred twenty billion, one hundred one million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 7417061 26981051 200120101111111