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10120200112021 = 193832812349451
BaseRepresentation
bin1001001101000100101011…
…1011101100011110010101
31022211111000010221121102011
42103101022323230132111
52311302132212041041
633305053350344221
72063105664421546
oct223211273543625
938744003847364
1010120200112021
113251a5314827a
12117544265b071
1358543b938b6c
1426db6ac864cd
151283b2775e81
hex9344aeec795

10120200112021 has 16 divisors (see below), whose sum is σ = 10681252208640. Its totient is φ = 9561991820400.

The previous prime is 10120200111979. The next prime is 10120200112069. The reversal of 10120200112021 is 12021100202101.

It is a cyclic number.

It is not a de Polignac number, because 10120200112021 - 217 = 10120199980949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120200111992 and 10120200112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120200812021) 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, 204626346 + ... + 204675796.

It is an arithmetic number, because the mean of its divisors is an integer number (667578263040).

Almost surely, 210120200112021 is an apocalyptic number.

It is an amenable number.

10120200112021 is a deficient number, since it is larger than the sum of its proper divisors (561052096619).

10120200112021 is a wasteful number, since it uses less digits than its factorization.

10120200112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77976.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10120200112021 its reverse (12021100202101), we get a palindrome (22141300314122).

The spelling of 10120200112021 in words is "ten trillion, one hundred twenty billion, two hundred million, one hundred twelve thousand, twenty-one".

Divisors: 1 19 383 7277 28123 49451 534337 939569 10771109 18939733 204651071 359854927 1390710473 26423498987 532642111159 10120200112021