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22021122102001 = 1110199120001001
BaseRepresentation
bin1010000000111001100010…
…01010010001001011110001
32212222012100212021022102221
411000130301022101023301
510341243224224231001
6114500210331041041
74431654635312161
oct500346112211361
985865325238387
1022021122102001
117020118378770
122577a112a0181
13c397768417c9
14561b840465a1
15282c4737e1a1
hex1407312912f1

22021122102001 has 16 divisors (see below), whose sum is σ = 24285376636416. Its totient is φ = 19800990000000.

The previous prime is 22021122101989. The next prime is 22021122102017. The reversal of 22021122102001 is 10020122112022.

It is a happy number.

It is not a de Polignac number, because 22021122102001 - 25 = 22021122101969 is a prime.

It is a super-3 number, since 3×220211221020013 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021122102041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8899500 + ... + 11101501.

It is an arithmetic number, because the mean of its divisors is an integer number (1517836039776).

Almost surely, 222021122102001 is an apocalyptic number.

It is an amenable number.

22021122102001 is a deficient number, since it is larger than the sum of its proper divisors (2264254534415).

22021122102001 is a wasteful number, since it uses less digits than its factorization.

22021122102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002104.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021122102001 its reverse (10020122112022), we get a palindrome (32041244214023).

The spelling of 22021122102001 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred two thousand, one".

Divisors: 1 11 101 991 1111 10901 100091 1101001 20001001 220011011 2020101101 19820991991 22221112111 218030911901 2001920191091 22021122102001