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103021201330121 = 19233311583449921
BaseRepresentation
bin10111011011001001111110…
…000111000000111111001001
3111111202201201122121222002202
4113123021332013000333021
5102000344410020030441
61003035141520205545
730462015256551404
oct2733117607007711
9444681648558082
10103021201330121
112a90a056436a88
12b67a247a698b5
134563b1c1bc4a9
141b62377788d3b
15bd9c4047e19b
hex5db27e1c0fc9

103021201330121 has 32 divisors (see below), whose sum is σ = 113572118753280. Its totient is φ = 93014553139200.

The previous prime is 103021201330111. The next prime is 103021201330169. The reversal of 103021201330121 is 121033102120301.

It is a happy number.

It is not a de Polignac number, because 103021201330121 - 210 = 103021201329097 is a prime.

It is a super-2 number, since 2×1030212013301212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103021201330093 and 103021201330102.

It is not an unprimeable number, because it can be changed into a prime (103021201330111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228751241 + ... + 229201161.

It is an arithmetic number, because the mean of its divisors is an integer number (3549128711040).

Almost surely, 2103021201330121 is an apocalyptic number.

It is an amenable number.

103021201330121 is a deficient number, since it is larger than the sum of its proper divisors (10550917423159).

103021201330121 is a wasteful number, since it uses less digits than its factorization.

103021201330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451877.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103021201330121 its reverse (121033102120301), we get a palindrome (224054303450422).

The spelling of 103021201330121 in words is "one hundred three trillion, twenty-one billion, two hundred one million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 19 23 331 437 1583 6289 7613 30077 36409 144647 449921 523973 691771 8548499 9955487 10348183 12051379 148923851 196615477 228976201 712224943 2829553169 3425248573 13532273917 16381173689 65079722887 235746456133 311242300091 4479182666527 5422168491059 103021201330121