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112221222201121 = 1110201929291011
BaseRepresentation
bin11001100001000010001010…
…000101011110011100100001
3112201100020120220222211120111
4121201002022011132130201
5104202113030340413441
61034401415012211321
732431500333641245
oct3141021205363441
9481306526884514
10112221222201121
1132836831370a70
1210705284309b41
134a805537c8047
141d9d771226425
15ce91e8d54081
hex66108a15e721

112221222201121 has 4 divisors (see below), whose sum is σ = 122423151492144. Its totient is φ = 102019292910100.

The previous prime is 112221222201061. The next prime is 112221222201167. The reversal of 112221222201121 is 121102222122211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112221222201121 - 231 = 112219074717473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112221222201092 and 112221222201101.

It is not an unprimeable number, because it can be changed into a prime (112221222201421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100964645495 + ... + 5100964645516.

It is an arithmetic number, because the mean of its divisors is an integer number (30605787873036).

Almost surely, 2112221222201121 is an apocalyptic number.

112221222201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112221222201121 is a deficient number, since it is larger than the sum of its proper divisors (10201929291023).

112221222201121 is a wasteful number, since it uses less digits than its factorization.

112221222201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201929291022.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112221222201121 its reverse (121102222122211), we get a palindrome (233323444323332).

The spelling of 112221222201121 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 11 10201929291011 112221222201121