Search a number
-
+
222112100120101 = 918724176782423
BaseRepresentation
bin110010100000001010000000…
…110100111111011000100101
31002010102201011011002112202021
4302200022000310333120211
5213103041040112320401
62104220520135143141
764533032620212202
oct6240120064773045
91063381134075667
10222112100120101
1164854238081624
1220ab2990b14ab1
1396c2109434599
143cbc3d67d2ca9
151aa29a35882a1
hexca0280d3f625

222112100120101 has 4 divisors (see below), whose sum is σ = 222136276911712. Its totient is φ = 222087923328492.

The previous prime is 222112100120093. The next prime is 222112100120143. The reversal of 222112100120101 is 101021001211222.

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 222112100120101 - 23 = 222112100120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112100120201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12088382025 + ... + 12088400398.

It is an arithmetic number, because the mean of its divisors is an integer number (55534069227928).

Almost surely, 2222112100120101 is an apocalyptic number.

It is an amenable number.

222112100120101 is a deficient number, since it is larger than the sum of its proper divisors (24176791611).

222112100120101 is an equidigital number, since it uses as much as digits as its factorization.

222112100120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176791610.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222112100120101 its reverse (101021001211222), we get a palindrome (323133101331323).

The spelling of 222112100120101 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred million, one hundred twenty thousand, one hundred one".

Divisors: 1 9187 24176782423 222112100120101