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20000210111101 = 111818200919191
BaseRepresentation
bin1001000110000101010010…
…11010110100101001111101
32121211000001000211020220101
410203002221122310221331
510110140412242023401
6110311545241321101
74132652564650453
oct443025132645175
977730030736811
1020000210111101
116411050226680
1222b0211a96191
13b2101c99b32c
144d20301129d3
1524a3b853b101
hex1230a96b4a7d

20000210111101 has 4 divisors (see below), whose sum is σ = 21818411030304. Its totient is φ = 18182009191900.

The previous prime is 20000210111099. The next prime is 20000210111179. The reversal of 20000210111101 is 10111101200002.

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 20000210111101 - 21 = 20000210111099 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 (20000210111501) 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, 909100459585 + ... + 909100459606.

It is an arithmetic number, because the mean of its divisors is an integer number (5454602757576).

Almost surely, 220000210111101 is an apocalyptic number.

It is an amenable number.

20000210111101 is a deficient number, since it is larger than the sum of its proper divisors (1818200919203).

20000210111101 is a wasteful number, since it uses less digits than its factorization.

20000210111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818200919202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20000210111101 its reverse (10111101200002), we get a palindrome (30111311311103).

It can be divided in two parts, 200002 and 10111101, that multiplied together give a palindrome (2022240422202).

The spelling of 20000210111101 in words is "twenty trillion, two hundred ten million, one hundred eleven thousand, one hundred one".

Divisors: 1 11 1818200919191 20000210111101