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20102202011211 = 3191674229499361
BaseRepresentation
bin1001001001000011010001…
…00111000010111001001011
32122011202022000120121102020
410210201220213002321023
510113323302203324321
6110430454001535523
74143223206544065
oct444415047027113
978152260517366
1020102202011211
116450328a76811
122307b369445a3
13b2a82507a398
144d6d47920735
1524cd875884c6
hex1248689c2e4b

20102202011211 has 32 divisors (see below), whose sum is σ = 28389328934400. Its totient is φ = 12617093422080.

The previous prime is 20102202011209. The next prime is 20102202011219. The reversal of 20102202011211 is 11211020220102.

It is not a de Polignac number, because 20102202011211 - 21 = 20102202011209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102202011219) 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 31 ways as a sum of consecutive naturals, for example, 40006171 + ... + 40505531.

It is an arithmetic number, because the mean of its divisors is an integer number (887166529200).

Almost surely, 220102202011211 is an apocalyptic number.

20102202011211 is a deficient number, since it is larger than the sum of its proper divisors (8287126923189).

20102202011211 is a wasteful number, since it uses less digits than its factorization.

20102202011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503779.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102202011211 its reverse (11211020220102), we get a palindrome (31313222231313).

The spelling of 20102202011211 in words is "twenty trillion, one hundred two billion, two hundred two million, eleven thousand, two hundred eleven".

Divisors: 1 3 19 57 167 501 3173 4229 9519 12687 80351 241053 499361 706243 1498083 2118729 9487859 13418617 28463577 40255851 83393287 250179861 1584472453 2111797669 4753417359 6335393007 40124155711 120372467133 352670210723 1058010632169 6700734003737 20102202011211