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1020212021110 = 25178741686563
BaseRepresentation
bin11101101100010010110…
…00000000011101110110
310121112100022220111000111
432312021120000131312
5113203343234133420
62100402352133234
7133464543045202
oct16661130003566
93545308814014
101020212021110
113637400a8577
12145882b3721a
1375289879249
143754295db02
151b810e1345a
hexed89600776

1020212021110 has 32 divisors (see below), whose sum is σ = 1944629366112. Its totient is φ = 384035320320.

The previous prime is 1020212021077. The next prime is 1020212021119. The reversal of 1020212021110 is 111202120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212021119) 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 15 ways as a sum of consecutive naturals, for example, 1142689 + ... + 1829251.

It is an arithmetic number, because the mean of its divisors is an integer number (60769667691).

Almost surely, 21020212021110 is an apocalyptic number.

1020212021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020212021110 is a deficient number, since it is larger than the sum of its proper divisors (924417345002).

1020212021110 is a wasteful number, since it uses less digits than its factorization.

1020212021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695328.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020212021110 its reverse (111202120201), we get a palindrome (1131414141311).

Subtracting from 1020212021110 its reverse (111202120201), we obtain a palindrome (909009900909).

The spelling of 1020212021110 in words is "one trillion, twenty billion, two hundred twelve million, twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 85 170 8741 17482 43705 87410 148597 297194 686563 742985 1373126 1485970 3432815 6865630 11671571 23343142 58357855 116715710 6001247183 12002494366 30006235915 60012471830 102021202111 204042404222 510106010555 1020212021110