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2020012112101 = 9712080342031
BaseRepresentation
bin11101011001010010000…
…110101011100011100101
321011010000010011110220011
4131121102012223203211
5231043441100041401
64143551502010221
7265640532436144
oct35312206534345
97133003143804
102020012112101
117097561a2905
122875a9b76971
131186425c0019
146daaa60975b
1537829d3c451
hex1d6521ab8e5

2020012112101 has 4 divisors (see below), whose sum is σ = 2022092455104. Its totient is φ = 2017931769100.

The previous prime is 2020012112099. The next prime is 2020012112257. The reversal of 2020012112101 is 1012112100202.

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 2020012112101 - 21 = 2020012112099 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 (2020012112401) 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, 1040170045 + ... + 1040171986.

It is an arithmetic number, because the mean of its divisors is an integer number (505523113776).

Almost surely, 22020012112101 is an apocalyptic number.

It is an amenable number.

2020012112101 is a deficient number, since it is larger than the sum of its proper divisors (2080343003).

2020012112101 is an equidigital number, since it uses as much as digits as its factorization.

2020012112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080343002.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2020012112101 its reverse (1012112100202), we get a palindrome (3032124212303).

The spelling of 2020012112101 in words is "two trillion, twenty billion, twelve million, one hundred twelve thousand, one hundred one".

Divisors: 1 971 2080342031 2020012112101