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121120221102112 = 2547711134254393
BaseRepresentation
bin11011100010100001111111…
…110000010000000000100000
3120212211222110110102020000001
4123202201333300100000200
5111333413203100231422
61105333510022505344
734340434663352161
oct3342417760200040
9525758413366001
10121120221102112
113565788523a541
1211701ab0b95254
135277784644b0b
1421ca36dd35768
15e00935499227
hex6e287fc10020

121120221102112 has 48 divisors (see below), whose sum is σ = 246958940696832. Its totient is φ = 58436786275840.

The previous prime is 121120221102109. The next prime is 121120221102131. The reversal of 121120221102112 is 211201122021121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121120221102112.

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, 567020413 + ... + 567233980.

It is an arithmetic number, because the mean of its divisors is an integer number (5144977931184).

Almost surely, 2121120221102112 is an apocalyptic number.

It is an amenable number.

121120221102112 is an abundant number, since it is smaller than the sum of its proper divisors (125838719594720).

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

121120221102112 is a wasteful number, since it uses less digits than its factorization.

121120221102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134254521 (or 1134254513 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121120221102112 its reverse (211201122021121), we get a palindrome (332321343123233).

The spelling of 121120221102112 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 47 71 94 142 188 284 376 568 752 1136 1504 2272 3337 6674 13348 26696 53392 106784 1134254393 2268508786 4537017572 9074035144 18148070288 36296140576 53309956471 80532061903 106619912942 161064123806 213239825884 322128247612 426479651768 644256495224 852959303536 1288512990448 1705918607072 2577025980896 3785006909441 7570013818882 15140027637764 30280055275528 60560110551056 121120221102112