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12111110112201 = 382931453733487
BaseRepresentation
bin1011000000111101011001…
…1010101000001111001001
31120212210220002100121211020
42300033112122220033021
53041412023142042301
641431433413223053
72356666412253462
oct260172632501711
946783802317736
1012111110112201
11394a324a16711
12143726a331a89
1369b0c3b9b0c9
142dc2763b3d69
151600876ea436
hexb03d66a83c9

12111110112201 has 16 divisors (see below), whose sum is σ = 16151687295744. Its totient is φ = 8072303393664.

The previous prime is 12111110112151. The next prime is 12111110112221. The reversal of 12111110112201 is 10221101111121.

It is not a de Polignac number, because 12111110112201 - 29 = 12111110111689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12111110112221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361649280 + ... + 361682766.

It is an arithmetic number, because the mean of its divisors is an integer number (1009480455984).

Almost surely, 212111110112201 is an apocalyptic number.

It is an amenable number.

12111110112201 is a deficient number, since it is larger than the sum of its proper divisors (4040577183543).

12111110112201 is a wasteful number, since it uses less digits than its factorization.

12111110112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56320.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12111110112201 its reverse (10221101111121), we get a palindrome (22332211223322).

The spelling of 12111110112201 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, one hundred twelve thousand, two hundred one".

Divisors: 1 3 8293 14537 24879 33487 43611 100461 120555341 277707691 361666023 486800519 833123073 1460401557 4037036704067 12111110112201