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12101011120220 = 2251155004596001
BaseRepresentation
bin1011000000010111110001…
…1110000010000001011100
31120211211211021022200020012
42300011330132002001130
53041230332321321340
641423043332542352
72356161223245251
oct260057436020134
946754737280205
1012101011120220
113946012339550
1214353101819b8
1369a174830bc9
142db999043428
1515eb95cd6565
hexb017c78205c

12101011120220 has 24 divisors (see below), whose sum is σ = 27722316385008. Its totient is φ = 4400367680000.

The previous prime is 12101011120207. The next prime is 12101011120241. The reversal of 12101011120220 is 2202111010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101011120195 and 12101011120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27502297781 + ... + 27502298220.

It is an arithmetic number, because the mean of its divisors is an integer number (1155096516042).

Almost surely, 212101011120220 is an apocalyptic number.

12101011120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101011120220 is an abundant number, since it is smaller than the sum of its proper divisors (15621305264788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101011120220 is a wasteful number, since it uses less digits than its factorization.

12101011120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55004596021 (or 55004596019 counting only the distinct ones).

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

Adding to 12101011120220 its reverse (2202111010121), we get a palindrome (14303122130341).

The spelling of 12101011120220 in words is "twelve trillion, one hundred one billion, eleven million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 55004596001 110009192002 220018384004 275022980005 550045960010 605050556011 1100091920020 1210101112022 2420202224044 3025252780055 6050505560110 12101011120220