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111020210010020 = 22536971527198323
BaseRepresentation
bin11001001111100011101000…
…001011100011011110100100
3112120002102120022200002102202
4121033203220023203132210
5104022423342230310040
61032041551432554032
732245642204520603
oct3117435013433644
9476072508602382
10111020210010020
1132413452294803
1210550563852918
1349c42125c51bc
141d5b59a4d9a3a
15cc7d5537a015
hex64f8e82e37a4

111020210010020 has 48 divisors (see below), whose sum is σ = 233223146744448. Its totient is φ = 44392713361920.

The previous prime is 111020210009987. The next prime is 111020210010079. The reversal of 111020210010020 is 20010012020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020210009983 and 111020210010010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129088579 + ... + 1129186901.

It is an arithmetic number, because the mean of its divisors is an integer number (4858815557176).

Almost surely, 2111020210010020 is an apocalyptic number.

111020210010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020210010020 is an abundant number, since it is smaller than the sum of its proper divisors (122202936734428).

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

111020210010020 is a wasteful number, since it uses less digits than its factorization.

111020210010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117300 (or 117298 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111020210010020 its reverse (20010012020111), we get a palindrome (131030222030131).

The spelling of 111020210010020 in words is "one hundred eleven trillion, twenty billion, two hundred ten million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 3697 7394 14788 15271 18485 30542 36970 61084 73940 76355 98323 152710 196646 305420 393292 491615 983230 1966460 56456887 112913774 225827548 282284435 363500131 564568870 727000262 1129137740 1454000524 1501490533 1817500655 3002981066 3635001310 6005962132 7270002620 7507452665 15014905330 30029810660 5551010500501 11102021001002 22204042002004 27755052502505 55510105005010 111020210010020