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112020220202021 = 432605121400047
BaseRepresentation
bin11001011110000110111101…
…011011101100110000100101
3112200122000202202021022201022
4121132012331123230300211
5104140314402332431041
61034125213445540525
732411123325066125
oct3136067533546045
9480560682238638
10112020220202021
1132769565a4103a
1210692329114745
134a675cca1bac1
141d93b44036c85
15ce3d8295624b
hex65e1bd6ecc25

112020220202021 has 4 divisors (see below), whose sum is σ = 114625341602112. Its totient is φ = 109415098801932.

The previous prime is 112020220201979. The next prime is 112020220202029. The reversal of 112020220202021 is 120202022020211.

It is a happy number.

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 112020220202021 - 210 = 112020220200997 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 (112020220202029) 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, 1302560699981 + ... + 1302560700066.

It is an arithmetic number, because the mean of its divisors is an integer number (28656335400528).

Almost surely, 2112020220202021 is an apocalyptic number.

It is an amenable number.

112020220202021 is a deficient number, since it is larger than the sum of its proper divisors (2605121400091).

112020220202021 is an equidigital number, since it uses as much as digits as its factorization.

112020220202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605121400090.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 112020220202021 its reverse (120202022020211), we get a palindrome (232222242222232).

The spelling of 112020220202021 in words is "one hundred twelve trillion, twenty billion, two hundred twenty million, two hundred two thousand, twenty-one".

Divisors: 1 43 2605121400047 112020220202021