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10102001221121 = 73919796907441
BaseRepresentation
bin1001001100000000111000…
…1100011011111000000001
31022202202000211112011100212
42103000032030123320001
52311002344303033441
633252443441123505
72061563002411565
oct223001614337001
938682024464325
1010102001221121
113245264370177
121171a03929595
135837cb44c074
1426cd21c856a5
15127b99bd1eeb
hex9300e31be01

10102001221121 has 8 divisors (see below), whose sum is σ = 10120784018400. Its totient is φ = 10083232244160.

The previous prime is 10102001221079. The next prime is 10102001221199. The reversal of 10102001221121 is 12112210020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10102001221121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102001221096 and 10102001221105.

It is not an unprimeable number, because it can be changed into a prime (10102001221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991240 + ... + 4916201.

It is an arithmetic number, because the mean of its divisors is an integer number (1265098002300).

Almost surely, 210102001221121 is an apocalyptic number.

It is an amenable number.

10102001221121 is a deficient number, since it is larger than the sum of its proper divisors (18782797279).

10102001221121 is an equidigital number, since it uses as much as digits as its factorization.

10102001221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910159.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10102001221121 its reverse (12112210020101), we get a palindrome (22214211241222).

The spelling of 10102001221121 in words is "ten trillion, one hundred two billion, one million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 739 1979 1462481 6907441 5104598899 13669825739 10102001221121