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2112000110220 = 22357111337950401
BaseRepresentation
bin11110101110111101000…
…001000010111010001100
321110220102220210221202110
4132232331001002322030
5234100334012011340
64254123420024020
7305405221506450
oct36567501027214
97426386727673
102112000110220
11744770003350
122a13a0692010
13124212246840
147431555a660
1539e109aa680
hex1ebbd042e8c

2112000110220 has 384 divisors, whose sum is σ = 8154540398592. Its totient is φ = 394149888000.

The previous prime is 2112000110177. The next prime is 2112000110221. The reversal of 2112000110220 is 220110002112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2112000110196 and 2112000110205.

It is not an unprimeable number, because it can be changed into a prime (2112000110221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1747020 + ... + 2697420.

It is an arithmetic number, because the mean of its divisors is an integer number (21235782288).

Almost surely, 22112000110220 is an apocalyptic number.

2112000110220 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 2112000110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4077270199296).

2112000110220 is an abundant number, since it is smaller than the sum of its proper divisors (6042540288372).

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

2112000110220 is a wasteful number, since it uses less digits than its factorization.

2112000110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950481 (or 950479 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2112000110220 its reverse (220110002112), we get a palindrome (2332110112332).

The spelling of 2112000110220 in words is "two trillion, one hundred twelve billion, one hundred ten thousand, two hundred twenty".