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2120211110201 = 7926838115319
BaseRepresentation
bin11110110110100110011…
…011100001100100111001
321111200122011020222012212
4132312212123201210321
5234214143021011301
64302002254144505
7306115544040062
oct36664633414471
97450564228185
102120211110201
117481a3997148
122a2ab24b2135
13124c203c5a02
1474893c6b569
153a2417844bb
hex1eda66e1939

2120211110201 has 4 divisors (see below), whose sum is σ = 2147049225600. Its totient is φ = 2093372994804.

The previous prime is 2120211110191. The next prime is 2120211110221. The reversal of 2120211110201 is 1020111120212.

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 2120211110201 - 230 = 2119137368377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120211110221) 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 3 ways as a sum of consecutive naturals, for example, 13419057581 + ... + 13419057738.

It is an arithmetic number, because the mean of its divisors is an integer number (536762306400).

Almost surely, 22120211110201 is an apocalyptic number.

It is an amenable number.

2120211110201 is a deficient number, since it is larger than the sum of its proper divisors (26838115399).

2120211110201 is an equidigital number, since it uses as much as digits as its factorization.

2120211110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26838115398.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2120211110201 its reverse (1020111120212), we get a palindrome (3140322230413).

The spelling of 2120211110201 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one hundred ten thousand, two hundred one".

Divisors: 1 79 26838115319 2120211110201