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120211020001 = 235226566087
BaseRepresentation
bin110111111110100100…
…0101001100011100001
3102111021201020112112001
41233331020221203201
53432143010120001
6131120231204001
711453640545032
oct1577510514341
9374251215461
10120211020001
1146a87a94616
121b36a516601
13b449b2c587
145b65396a89
1531d878a001
hex1bfd2298e1

120211020001 has 4 divisors (see below), whose sum is σ = 125437586112. Its totient is φ = 114984453892.

The previous prime is 120211019963. The next prime is 120211020011. The reversal of 120211020001 is 100020112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120211020001 - 227 = 120076802273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120211020001.

It is not an unprimeable number, because it can be changed into a prime (120211020011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613283021 + ... + 2613283066.

It is an arithmetic number, because the mean of its divisors is an integer number (31359396528).

Almost surely, 2120211020001 is an apocalyptic number.

It is an amenable number.

120211020001 is a deficient number, since it is larger than the sum of its proper divisors (5226566111).

120211020001 is an equidigital number, since it uses as much as digits as its factorization.

120211020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226566110.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120211020001 its reverse (100020112021), we get a palindrome (220231132022).

The spelling of 120211020001 in words is "one hundred twenty billion, two hundred eleven million, twenty thousand, one".

Divisors: 1 23 5226566087 120211020001