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22012021121120 = 2553775113993539
BaseRepresentation
bin1010000000101000100101…
…01100110010000001100000
32212221022212121011120200222
411000110102230302001200
510341121104401333440
6114452103301302212
74431213255252212
oct500242254620140
985838777146628
1022012021121120
117017278086068
1225760b1404968
13c38956196414
1456155d4665b2
152828b33a72b5
hex140512b32060

22012021121120 has 192 divisors, whose sum is σ = 53533363968000. Its totient is φ = 8546902272000.

The previous prime is 22012021121071. The next prime is 22012021121143. The reversal of 22012021121120 is 2112112021022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6219840311 + ... + 6219843849.

It is an arithmetic number, because the mean of its divisors is an integer number (278819604000).

Almost surely, 222012021121120 is an apocalyptic number.

22012021121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012021121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26766681984000).

22012021121120 is an abundant number, since it is smaller than the sum of its proper divisors (31521342846880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012021121120 is a wasteful number, since it uses less digits than its factorization.

22012021121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5733 counting only the distinct ones).

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

Adding to 22012021121120 its reverse (2112112021022), we get a palindrome (24124133142142).

The spelling of 22012021121120 in words is "twenty-two trillion, twelve billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty".