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202102122222011 = 11113162592214177
BaseRepresentation
bin101101111100111110010001…
…001101000001000110111011
3222111120202220101110022002102
4231330332101031001012323
5202442220121242101021
61553500233324054015
760366252664350344
oct5574762115010673
9874522811408072
10202102122222011
115943a035226020
121a8008b399430b
1388a01c0c0144b
1437c9b1b3270cb
15185721775d00b
hexb7cf913411bb

202102122222011 has 8 divisors (see below), whose sum is σ = 222426148995504. Its totient is φ = 182103279877120.

The previous prime is 202102122221939. The next prime is 202102122222029. The reversal of 202102122222011 is 110222221201202.

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

It is a de Polignac number, because none of the positive numbers 2k-202102122222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202102122228011) 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, 81296105846 + ... + 81296108331.

It is an arithmetic number, because the mean of its divisors is an integer number (27803268624438).

Almost surely, 2202102122222011 is an apocalyptic number.

202102122222011 is a deficient number, since it is larger than the sum of its proper divisors (20324026773493).

202102122222011 is a wasteful number, since it uses less digits than its factorization.

202102122222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162592214301.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202102122222011 its reverse (110222221201202), we get a palindrome (312324343423213).

The spelling of 202102122222011 in words is "two hundred two trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, eleven".

Divisors: 1 11 113 1243 162592214177 1788514355947 18372920202001 202102122222011