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210012021200101 = 1911099539378011
BaseRepresentation
bin101111110000000100111011…
…111011000001010011100101
31000112120221201211212112211011
4233300010323323001103211
5210011314104411400401
62022354105102342221
762143603443333541
oct5760047373012345
91015527654775734
10210012021200101
1160a09663a6898a
121b6798a0b8a971
139025082a92653
1439c08c94cca21
151942d6453e451
hexbf013bec14e5

210012021200101 has 4 divisors (see below), whose sum is σ = 211111560578304. Its totient is φ = 208912481821900.

The previous prime is 210012021200081. The next prime is 210012021200183. The reversal of 210012021200101 is 101002120210012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210012021200101 - 213 = 210012021191909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012021200801) 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, 549769688815 + ... + 549769689196.

It is an arithmetic number, because the mean of its divisors is an integer number (52777890144576).

Almost surely, 2210012021200101 is an apocalyptic number.

It is an amenable number.

210012021200101 is a deficient number, since it is larger than the sum of its proper divisors (1099539378203).

210012021200101 is a wasteful number, since it uses less digits than its factorization.

210012021200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099539378202.

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

Adding to 210012021200101 its reverse (101002120210012), we get a palindrome (311014141410113).

The spelling of 210012021200101 in words is "two hundred ten trillion, twelve billion, twenty-one million, two hundred thousand, one hundred one".

Divisors: 1 191 1099539378011 210012021200101