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201020111111201 = 5313128952918207
BaseRepresentation
bin101101101101001110100100…
…010100001100010000100001
3222100202100001011122210012212
4231231032210110030100201
5202322003141421024301
61551311210354531505
760225136514561024
oct5555164424142041
9870670034583185
10201020111111201
11590621721587a8
121a667064596b95
138822165c66405
14378d5d4dd71bb
151838edb1bd4bb
hexb6d3a450c421

201020111111201 has 8 divisors (see below), whose sum is σ = 206376400986624. Its totient is φ = 195721727072560.

The previous prime is 201020111111191. The next prime is 201020111111399. The reversal of 201020111111201 is 102111111020102.

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 201020111111201 - 210 = 201020111110177 is a prime.

It is a super-3 number, since 3×2010201111112013 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020111111801) 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, 14476452161 + ... + 14476466046.

It is an arithmetic number, because the mean of its divisors is an integer number (25797050123328).

Almost surely, 2201020111111201 is an apocalyptic number.

It is an amenable number.

201020111111201 is a deficient number, since it is larger than the sum of its proper divisors (5356289875423).

201020111111201 is a wasteful number, since it uses less digits than its factorization.

201020111111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952918391.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201020111111201 its reverse (102111111020102), we get a palindrome (303131222131303).

The spelling of 201020111111201 in words is "two hundred one trillion, twenty billion, one hundred eleven million, one hundred eleven thousand, two hundred one".

Divisors: 1 53 131 6943 28952918207 1534504664971 3792832285117 201020111111201