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202101120101 = 316519390971
BaseRepresentation
bin1011110000111000101…
…0100101110001100101
3201022122202220122102102
42330032022211301211
511302400341320401
6232502144221445
720413153114406
oct2741612456145
9638582818372
10202101120101
117878a8a48a1
123320330a885
131609a70caca
149ad317d9ad
1553ccb5d56b
hex2f0e2a5c65

202101120101 has 4 divisors (see below), whose sum is σ = 208620511104. Its totient is φ = 195581729100.

The previous prime is 202101120097. The next prime is 202101120113. The reversal of 202101120101 is 101021101202.

202101120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202101120101 - 22 = 202101120097 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 (202101120131) 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, 3259695455 + ... + 3259695516.

It is an arithmetic number, because the mean of its divisors is an integer number (52155127776).

Almost surely, 2202101120101 is an apocalyptic number.

It is an amenable number.

202101120101 is a deficient number, since it is larger than the sum of its proper divisors (6519391003).

202101120101 is an equidigital number, since it uses as much as digits as its factorization.

202101120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519391002.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202101120101 its reverse (101021101202), we get a palindrome (303122221303).

The spelling of 202101120101 in words is "two hundred two billion, one hundred one million, one hundred twenty thousand, one hundred one".

Divisors: 1 31 6519390971 202101120101