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202111000112021 = 71121329632943859
BaseRepresentation
bin101101111101000110100010…
…010111011110101110010101
3222111121121211002202211200112
4231331012202113132232111
5202442341312012041041
61553504302304052405
760400015665231530
oct5575064227365625
9874547732684615
10202111000112021
11594428805a4200
121a802571004105
1388a0ca72992c0
1437ca320433a17
151857586d68deb
hexb7d1a25deb95

202111000112021 has 48 divisors (see below), whose sum is σ = 282849952156800. Its totient is φ = 140361629950080.

The previous prime is 202111000112003. The next prime is 202111000112033. The reversal of 202111000112021 is 120211000111202.

It is not a de Polignac number, because 202111000112021 - 214 = 202111000095637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202111000111987 and 202111000112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111000112821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316152611 + ... + 316791248.

It is an arithmetic number, because the mean of its divisors is an integer number (5892707336600).

Almost surely, 2202111000112021 is an apocalyptic number.

It is an amenable number.

202111000112021 is a deficient number, since it is larger than the sum of its proper divisors (80738952044779).

202111000112021 is a wasteful number, since it uses less digits than its factorization.

202111000112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632943930 (or 632943919 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202111000112021 its reverse (120211000111202), we get a palindrome (322322000223223).

The spelling of 202111000112021 in words is "two hundred two trillion, one hundred eleven billion, one hundred twelve thousand, twenty-one".

Divisors: 1 7 11 13 29 77 91 121 143 203 319 377 847 1001 1573 2233 2639 3509 4147 11011 24563 29029 45617 319319 632943859 4430607013 6962382449 8228270167 18355371911 48736677143 57597891169 76586206939 90510971837 128487603377 201909091021 238619834843 536103448573 633576802859 995620690207 1413363637147 1670338843901 2221000001231 2624818183273 6969344831449 15547000008617 18373727282911 28873000016003 202111000112021