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202002120221111 = 7471894933240163
BaseRepresentation
bin101101111011100001001000…
…100111101010000110110111
3222111020012210002001022010022
4231323201020213222012313
5202434100320234033421
61553342254250115355
760356112564356330
oct5573411047520667
9874205702038108
10202002120221111
1159400688753691
121a7a544541bb5b
138893944b71052
1437c4d51d05287
15185481327a7ab
hexb7b8489ea1b7

202002120221111 has 16 divisors (see below), whose sum is σ = 235772788614144. Its totient is φ = 169459798646304.

The previous prime is 202002120221089. The next prime is 202002120221119. The reversal of 202002120221111 is 111122021200202.

It is a cyclic number.

It is not a de Polignac number, because 202002120221111 - 222 = 202002116026807 is a prime.

It is a super-4 number, since 4×2020021202211114 (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202002120221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002120221119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60723116 + ... + 63963278.

It is an arithmetic number, because the mean of its divisors is an integer number (14735799288384).

Almost surely, 2202002120221111 is an apocalyptic number.

202002120221111 is a deficient number, since it is larger than the sum of its proper divisors (33770668393033).

202002120221111 is a wasteful number, since it uses less digits than its factorization.

202002120221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429710.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202002120221111 its reverse (111122021200202), we get a palindrome (313124141421313).

The spelling of 202002120221111 in words is "two hundred two trillion, two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 7 47 329 189493 1326451 3240163 8906171 22681141 62343197 152287661 1066013627 613988207359 4297917451513 28857445745873 202002120221111