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22020201221111 = 1712311052238793
BaseRepresentation
bin1010000000110111110100…
…10001011000101111110111
32212222002222200110201100022
411000123322101120233313
510341234333003033421
6114455535113235355
74431623054045222
oct500337221305767
985862880421308
1022020201221111
11701a795584285
1225777b4a02b5b
13c3965ab16a82
14561ad7a125b9
15282be15ca7ab
hex1406fa458bf7

22020201221111 has 8 divisors (see below), whose sum is σ = 23334447495744. Its totient is φ = 20708059426560.

The previous prime is 22020201221089. The next prime is 22020201221113. The reversal of 22020201221111 is 11112210202022.

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

It is a cyclic number.

It is not a de Polignac number, because 22020201221111 - 226 = 22020134112247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020201221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020201221113) 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, 526098470 + ... + 526140323.

It is an arithmetic number, because the mean of its divisors is an integer number (2916805936968).

Almost surely, 222020201221111 is an apocalyptic number.

22020201221111 is a deficient number, since it is larger than the sum of its proper divisors (1314246274633).

22020201221111 is a wasteful number, since it uses less digits than its factorization.

22020201221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052240041.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22020201221111 its reverse (11112210202022), we get a palindrome (33132411423133).

The spelling of 22020201221111 in words is "twenty-two trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 17 1231 20927 1052238793 17888059481 1295305954183 22020201221111