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112211112021121 = 137887743922631
BaseRepresentation
bin11001100000111000101111…
…011110001100110010000001
3112201022021111022220110220101
4121200320233132030302001
5104201431324134133441
61034353023452042401
732430661650554641
oct3140705736146201
9481267438813811
10112211112021121
1132832513442103
1210703322463401
134a7c602041609
141d9d0925c2521
15ce8d06480231
hex660e2f78cc81

112211112021121 has 8 divisors (see below), whose sum is σ = 113030421064704. Its totient is φ = 111391806598560.

The previous prime is 112211112021067. The next prime is 112211112021131. The reversal of 112211112021121 is 121120211112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112211112021121 - 27 = 112211112020993 is a prime.

It is a super-2 number, since 2×1122111120211212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112211112021131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121159476 + ... + 122082106.

It is an arithmetic number, because the mean of its divisors is an integer number (14128802633088).

Almost surely, 2112211112021121 is an apocalyptic number.

It is an amenable number.

112211112021121 is a deficient number, since it is larger than the sum of its proper divisors (819309043583).

112211112021121 is an equidigital number, since it uses as much as digits as its factorization.

112211112021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810511.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112211112021121 its reverse (121120211112211), we get a palindrome (233331323133332).

The spelling of 112211112021121 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twelve million, twenty-one thousand, one hundred twenty-one".

Divisors: 1 137 887743 922631 121620791 126400447 819059211833 112211112021121