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120211021001 = 3115735336991
BaseRepresentation
bin110111111110100100…
…0101001110011001001
3102111021201020120220002
41233331020221303021
53432143010133001
6131120231212345
711453640550661
oct1577510516311
9374251216802
10120211021001
1146a87a95345
121b36a5170b5
13b449b2cb76
145b653971a1
1531d878a46b
hex1bfd229cc9

120211021001 has 16 divisors (see below), whose sum is σ = 124932384768. Its totient is φ = 115543022400.

The previous prime is 120211020953. The next prime is 120211021031. The reversal of 120211021001 is 100120112021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120211021001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120211021031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17191616 + ... + 17198606.

It is an arithmetic number, because the mean of its divisors is an integer number (7808274048).

Almost surely, 2120211021001 is an apocalyptic number.

It is an amenable number.

120211021001 is a deficient number, since it is larger than the sum of its proper divisors (4721363767).

120211021001 is a wasteful number, since it uses less digits than its factorization.

120211021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10712.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120211021001 its reverse (100120112021), we get a palindrome (220331133022).

The spelling of 120211021001 in words is "one hundred twenty billion, two hundred eleven million, twenty-one thousand, one".

Divisors: 1 31 157 3533 4867 6991 109523 216721 554681 1097587 17195111 24699203 34025197 765675293 3877774871 120211021001