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210101222201 = 13109314786489
BaseRepresentation
bin1100001110101100000…
…0100011101100111001
3202002022022111221101012
43003223000203230321
511420241403102301
6240304050203305
721115334631263
oct3035300435471
9662268457335
10210101222201
1181115731a22
1234876583535
1316a73c8a530
14a251872b33
1556ea178ebb
hex30eb023b39

210101222201 has 8 divisors (see below), whose sum is σ = 226469880840. Its totient is φ = 193762138752.

The previous prime is 210101222189. The next prime is 210101222203. The reversal of 210101222201 is 102222101012.

It can be written as a sum of positive squares in 4 ways, for example, as 74714755600 + 135386466601 = 273340^2 + 367949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210101222201 - 210 = 210101221177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210101222203) 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, 7379036 + ... + 7407453.

It is an arithmetic number, because the mean of its divisors is an integer number (28308735105).

Almost surely, 2210101222201 is an apocalyptic number.

It is an amenable number.

210101222201 is a deficient number, since it is larger than the sum of its proper divisors (16368658639).

210101222201 is a wasteful number, since it uses less digits than its factorization.

210101222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14787595.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210101222201 its reverse (102222101012), we get a palindrome (312323323213).

The spelling of 210101222201 in words is "two hundred ten billion, one hundred one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 13 1093 14209 14786489 192224357 16161632477 210101222201