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1021023101201 = 318317310192251
BaseRepresentation
bin11101101101110011011…
…10000010000100010001
310121121102212002121201212
432312321232002010101
5113212023403214301
62101015044305505
7133523622110165
oct16667156020421
93547385077655
101021023101201
11364016a16aa4
12145a6a6a2295
137538890b4ac
14375bc570ca5
151b85c2284bb
hexedb9b82111

1021023101201 has 32 divisors (see below), whose sum is σ = 1074353172480. Its totient is φ = 969156360000.

The previous prime is 1021023101053. The next prime is 1021023101209. The reversal of 1021023101201 is 1021013201201.

It is a cyclic number.

It is not a de Polignac number, because 1021023101201 - 214 = 1021023084817 is a prime.

It is a super-2 number, since 2×10210231012012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021023101209) 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, 453585326 + ... + 453587576.

It is an arithmetic number, because the mean of its divisors is an integer number (33573536640).

Almost surely, 21021023101201 is an apocalyptic number.

It is an amenable number.

1021023101201 is a deficient number, since it is larger than the sum of its proper divisors (53330071279).

1021023101201 is a wasteful number, since it uses less digits than its factorization.

1021023101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1021023101201 its reverse (1021013201201), we get a palindrome (2042036302402).

The spelling of 1021023101201 in words is "one trillion, twenty-one billion, twenty-three million, one hundred one thousand, two hundred one".

Divisors: 1 31 83 173 1019 2251 2573 5363 14359 31589 69781 84577 176287 186833 389423 445129 2293769 2621887 5464897 5791823 12072113 14631821 32322109 71106839 190382827 396822037 453586451 1001985379 5901867637 12301483147 32936229071 1021023101201