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121100300130020 = 22531247193779083
BaseRepresentation
bin11011100010001111011100…
…010111110001011011100100
3120212210002001010120222122212
4123202033130113301123210
5111333101403313130040
61105320413155142552
734336131221032301
oct3342173427613344
9525702033528585
10121100300130020
113564a392388342
12116ba0715a4a58
13527592b449c73
1421c94003420a8
15e0016b63dd65
hex6e23dc5f16e4

121100300130020 has 24 divisors (see below), whose sum is σ = 254318770306944. Its totient is φ = 48438569569376.

The previous prime is 121100300129951. The next prime is 121100300130053. The reversal of 121100300130020 is 20031003001121.

It is a junction number, because it is equal to n+sod(n) for n = 121100300129977 and 121100300130004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96264602 + ... + 97514481.

It is an arithmetic number, because the mean of its divisors is an integer number (10596615429456).

Almost surely, 2121100300130020 is an apocalyptic number.

121100300130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100300130020 is an abundant number, since it is smaller than the sum of its proper divisors (133218470176924).

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

121100300130020 is a wasteful number, since it uses less digits than its factorization.

121100300130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193810339 (or 193810337 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121100300130020 its reverse (20031003001121), we get a palindrome (141131303131141).

The spelling of 121100300130020 in words is "one hundred twenty-one trillion, one hundred billion, three hundred million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 31247 62494 124988 156235 312470 624940 193779083 387558166 775116332 968895415 1937790830 3875581660 6055015006501 12110030013002 24220060026004 30275075032505 60550150065010 121100300130020