Search a number
-
+
1022201111001 = 3748676243381
BaseRepresentation
bin11101101111111111110…
…11110010000111011001
310121201110221201201101110
432313333323302013121
5113221431441023001
62101332005210533
7133565045040120
oct16677773620731
93551427651343
101022201111001
11364570973214
12146139100a49
13755159a3705
1437690bb8ab7
151b8ca86d3d6
hexedffef21d9

1022201111001 has 8 divisors (see below), whose sum is σ = 1557639788224. Its totient is φ = 584114920560.

The previous prime is 1022201110969. The next prime is 1022201111039. The reversal of 1022201111001 is 1001111022201.

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

It is not a de Polignac number, because 1022201111001 - 25 = 1022201110969 is a prime.

It is a super-2 number, since 2×10222011110012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022201110001) 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, 24338121670 + ... + 24338121711.

It is an arithmetic number, because the mean of its divisors is an integer number (194704973528).

Almost surely, 21022201111001 is an apocalyptic number.

It is an amenable number.

1022201111001 is a deficient number, since it is larger than the sum of its proper divisors (535438677223).

1022201111001 is an equidigital number, since it uses as much as digits as its factorization.

1022201111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48676243391.

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

Adding to 1022201111001 its reverse (1001111022201), we get a palindrome (2023312133202).

The spelling of 1022201111001 in words is "one trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, one".

Divisors: 1 3 7 21 48676243381 146028730143 340733703667 1022201111001