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200101012021021 = 613746387562247
BaseRepresentation
bin101101011111110110100101…
…101111011001111100011101
3222020111110200120120101200011
4231133312211233121330131
5202211423333034133041
61545325045203403221
760101551421321566
oct5537664557317435
9866443616511604
10200101012021021
11588383a9732861
121a538b00083511
1387865a1657217
14375ad2524116d
151820147081e81
hexb5fda5bd9f1d

200101012021021 has 8 divisors (see below), whose sum is σ = 203386787662464. Its totient is φ = 196815411579120.

The previous prime is 200101012020883. The next prime is 200101012021039. The reversal of 200101012021021 is 120120210101002.

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 200101012021021 - 213 = 200101012012829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101012020992 and 200101012021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101012021051) 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, 41495881 + ... + 46066366.

It is an arithmetic number, because the mean of its divisors is an integer number (25423348457808).

Almost surely, 2200101012021021 is an apocalyptic number.

It is an amenable number.

200101012021021 is a deficient number, since it is larger than the sum of its proper divisors (3285775641443).

200101012021021 is an equidigital number, since it uses as much as digits as its factorization.

200101012021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87599771.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200101012021021 its reverse (120120210101002), we get a palindrome (320221222122023).

The spelling of 200101012021021 in words is "two hundred trillion, one hundred one billion, twelve million, twenty-one thousand, twenty-one".

Divisors: 1 61 37463 2285243 87562247 5341297067 3280344459361 200101012021021