Search a number
-
+
2020111121001 = 33121721624957
BaseRepresentation
bin11101011001011000000…
…000010111101001101001
321011010021000110122120110
4131121120000113221221
5231044141421333001
64144005400044533
7265643144132631
oct35313000275151
97133230418513
102020111121001
117097a7077746
12287617163749
13118659c7767c
146dab981d6c1
15378338983d6
hex1d658017a69

2020111121001 has 8 divisors (see below), whose sum is σ = 2780367994624. Its totient is φ = 1303297497360.

The previous prime is 2020111120987. The next prime is 2020111121033. The reversal of 2020111121001 is 1001211110202.

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

It is not a de Polignac number, because 2020111121001 - 27 = 2020111120873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020111121051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10860812386 + ... + 10860812571.

It is an arithmetic number, because the mean of its divisors is an integer number (347545999328).

Almost surely, 22020111121001 is an apocalyptic number.

It is an amenable number.

2020111121001 is a deficient number, since it is larger than the sum of its proper divisors (760256873623).

2020111121001 is a wasteful number, since it uses less digits than its factorization.

2020111121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21721624991.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2020111121001 its reverse (1001211110202), we get a palindrome (3021322231203).

The spelling of 2020111121001 in words is "two trillion, twenty billion, one hundred eleven million, one hundred twenty-one thousand, one".

Divisors: 1 3 31 93 21721624957 65164874871 673370373667 2020111121001