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11021142210 = 2351328259339
BaseRepresentation
bin10100100001110100…
…10100100011000010
31001110002020000220020
422100322110203002
5140032403022320
65021341154310
7540054106641
oct122072244302
931402200806
1011021142210
1147461692a1
122176b5b996
13106841a930
14767a15358
15447868940
hex290e948c2

11021142210 has 32 divisors (see below), whose sum is σ = 28485414720. Its totient is φ = 2712896448.

The previous prime is 11021142199. The next prime is 11021142217. The reversal of 11021142210 is 1224112011.

It is a super-2 number, since 2×110211422102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11021142210.

It is not an unprimeable number, because it can be changed into a prime (11021142217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14129280 + ... + 14130059.

It is an arithmetic number, because the mean of its divisors is an integer number (890169210).

Almost surely, 211021142210 is an apocalyptic number.

11021142210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021142210 is an abundant number, since it is smaller than the sum of its proper divisors (17464272510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021142210 is a wasteful number, since it uses less digits than its factorization.

11021142210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28259362.

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

Adding to 11021142210 its reverse (1224112011), we get a palindrome (12245254221).

The spelling of 11021142210 in words is "eleven billion, twenty-one million, one hundred forty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 28259339 56518678 84778017 141296695 169556034 282593390 367371407 423890085 734742814 847780170 1102114221 1836857035 2204228442 3673714070 5510571105 11021142210