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2022211112221 = 71151499377999
BaseRepresentation
bin11101011011010101001…
…011001100110100011101
321011022200100222020222001
4131123111023030310131
5231112442021042341
64144554014122301
7266046163562206
oct35332513146435
97138610866861
102022211112221
1170a6844aa183
12287b024b0391
13118903061521
146dc386a65ad
1537907e0cd31
hex1d6d52ccd1d

2022211112221 has 16 divisors (see below), whose sum is σ = 2068416000000. Its totient is φ = 1976551542000.

The previous prime is 2022211112177. The next prime is 2022211112231. The reversal of 2022211112221 is 1222111122202.

It is a cyclic number.

It is not a de Polignac number, because 2022211112221 - 225 = 2022177557789 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 (2022211112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5160780 + ... + 5538778.

It is an arithmetic number, because the mean of its divisors is an integer number (129276000000).

Almost surely, 22022211112221 is an apocalyptic number.

It is an amenable number.

2022211112221 is a deficient number, since it is larger than the sum of its proper divisors (46204887779).

2022211112221 is a wasteful number, since it uses less digits than its factorization.

2022211112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378720.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2022211112221 its reverse (1222111122202), we get a palindrome (3244322234423).

The spelling of 2022211112221 in words is "two trillion, twenty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 71 151 499 10721 35429 75349 377999 5349779 26837929 57077849 188621501 4052527279 13392126571 28481846651 2022211112221