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112010121012221 = 1931151971364739
BaseRepresentation
bin11001011101111101100011…
…011110010110001111111101
3112200121001200220212022202122
4121131331203132112033331
5104140133211434342341
61034120423401132325
732410315134305105
oct3135754336261775
9480531626768678
10112010121012221
1132765253239293
121069038aa8a0a5
134a66680612853
141d93466a54205
15ce399100394b
hex65df637963fd

112010121012221 has 16 divisors (see below), whose sum is σ = 118287107827200. Its totient is φ = 105771320938800.

The previous prime is 112010121012211. The next prime is 112010121012233. The reversal of 112010121012221 is 122210121010211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112010121012221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112010121012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112010121012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306914270 + ... + 307279008.

It is an arithmetic number, because the mean of its divisors is an integer number (7392944239200).

Almost surely, 2112010121012221 is an apocalyptic number.

It is an amenable number.

112010121012221 is a deficient number, since it is larger than the sum of its proper divisors (6276986814979).

112010121012221 is a wasteful number, since it uses less digits than its factorization.

112010121012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417040.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112010121012221 its reverse (122210121010211), we get a palindrome (234220242022432).

The spelling of 112010121012221 in words is "one hundred twelve trillion, ten billion, one hundred twenty-one million, twelve thousand, two hundred twenty-one".

Divisors: 1 19 311 5909 51971 364739 987449 6930041 16162981 113433829 307096639 2155242751 18955850569 360161160811 5895269526959 112010121012221