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112122210021 = 3218171713071
BaseRepresentation
bin110100001101100000…
…0010010011011100101
3101201101222201102020020
41220123000102123211
53314111241210041
6123301440025353
711046331026453
oct1503300223345
9351358642206
10112122210021
1143607078998
1219891602259
13a75b093093
1455d8db19d3
152db359a866
hex1a1b0126e5

112122210021 has 8 divisors (see below), whose sum is σ = 149503219584. Its totient is φ = 74744670240.

The previous prime is 112122210017. The next prime is 112122210029. The reversal of 112122210021 is 120012221211.

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

It is not a de Polignac number, because 112122210021 - 22 = 112122210017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122210029) 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, 791085 + ... + 921986.

It is an arithmetic number, because the mean of its divisors is an integer number (18687902448).

Almost surely, 2112122210021 is an apocalyptic number.

It is an amenable number.

112122210021 is a deficient number, since it is larger than the sum of its proper divisors (37381009563).

112122210021 is a wasteful number, since it uses less digits than its factorization.

112122210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734891.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112122210021 its reverse (120012221211), we get a palindrome (232134431232).

The spelling of 112122210021 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, twenty-one".

Divisors: 1 3 21817 65451 1713071 5139213 37374070007 112122210021