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112020221021 = 1312971287821
BaseRepresentation
bin110100001010011101…
…1001110110001011101
3101201010212210211121212
41220110323032301131
53313404134033041
6123243354034205
711043652111442
oct1502473166135
9351125724555
10112020221021
1143564549065
1219863418965
13a742c04167
1455c96239c9
152da96518eb
hex1a14ecec5d

112020221021 has 8 divisors (see below), whose sum is σ = 112913721888. Its totient is φ = 111127302000.

The previous prime is 112020221009. The next prime is 112020221023. The reversal of 112020221021 is 120122020211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112020221021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020220987 and 112020221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020221023) 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, 245291 + ... + 533111.

It is an arithmetic number, because the mean of its divisors is an integer number (14114215236).

Almost surely, 2112020221021 is an apocalyptic number.

It is an amenable number.

112020221021 is a deficient number, since it is larger than the sum of its proper divisors (893500867).

112020221021 is a wasteful number, since it uses less digits than its factorization.

112020221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290923.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112020221021 its reverse (120122020211), we get a palindrome (232142241232).

The spelling of 112020221021 in words is "one hundred twelve billion, twenty million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 131 2971 287821 389201 37704551 855116191 112020221021