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1021122231010 = 257827157911171
BaseRepresentation
bin11101101101111111010…
…00001011101011100010
310121121200202121221021021
432312333220023223202
5113212224242343020
62101032545120054
7133526234516320
oct16667750135342
93547622557237
101021122231010
11364067973762
12145a9792902a
13753a3308b9b
14375cb7b6d10
151b865caa1aa
hexedbfa0bae2

1021122231010 has 64 divisors (see below), whose sum is σ = 2104654648320. Its totient is φ = 349422978240.

The previous prime is 1021122230987. The next prime is 1021122231053. The reversal of 1021122231010 is 101322211201.

It is a super-2 number, since 2×10211222310102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91402725 + ... + 91413895.

It is an arithmetic number, because the mean of its divisors is an integer number (32885228880).

Almost surely, 21021122231010 is an apocalyptic number.

1021122231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021122231010 is an abundant number, since it is smaller than the sum of its proper divisors (1083532417310).

1021122231010 is a wasteful number, since it uses less digits than its factorization.

1021122231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021122231010 its reverse (101322211201), we get a palindrome (1122444442211).

The spelling of 1021122231010 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 827 1579 1654 3158 4135 5789 7895 8270 11053 11171 11578 15790 22106 22342 28945 55265 55855 57890 78197 110530 111710 156394 390985 781970 1305833 2611666 6529165 9140831 9238417 13058330 17639009 18281662 18476834 35278018 45704155 46192085 64668919 88195045 91408310 92384170 123473063 129337838 176390090 246946126 323344595 617365315 646689190 1234730630 14587460443 29174920886 72937302215 102112223101 145874604430 204224446202 510561115505 1021122231010