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1021011101101 = 31131565144491
BaseRepresentation
bin11101101101110010000…
…00010000010110101101
310121121102000111221200201
432312321000100112231
5113212012320213401
62101013535153501
7133523415110365
oct16667100202655
93547360457621
101021011101101
11364010170162
12145a66675891
1375386299444
14375bab299a5
151b85b157b01
hexedb90105ad

1021011101101 has 16 divisors (see below), whose sum is σ = 1062204143616. Its totient is φ = 980337150000.

The previous prime is 1021011101093. The next prime is 1021011101107. The reversal of 1021011101101 is 1011011101201.

It is a cyclic number.

It is not a de Polignac number, because 1021011101101 - 23 = 1021011101093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021011101107) 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, 22926466 + ... + 22970956.

It is an arithmetic number, because the mean of its divisors is an integer number (66387758976).

Almost surely, 21021011101101 is an apocalyptic number.

It is an amenable number.

1021011101101 is a deficient number, since it is larger than the sum of its proper divisors (41193042515).

1021011101101 is a wasteful number, since it uses less digits than its factorization.

1021011101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50304.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1021011101101 its reverse (1011011101201), we get a palindrome (2032022202302).

The spelling of 1021011101101 in words is "one trillion, twenty-one billion, eleven million, one hundred one thousand, one hundred one".

Divisors: 1 31 131 4061 5651 44491 175181 740281 1379221 5828321 22948711 180677951 251418641 7793977871 32935841971 1021011101101