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1121211301 = 7160173043
BaseRepresentation
bin100001011010100…
…0101001110100101
32220010202102202111
41002311011032211
54244012230201
6303131241021
736533065420
oct10265051645
92803672674
101121211301
11525992711
122735a9171
1314b399552
14a8ca09b7
1568675b51
hex42d453a5

1121211301 has 4 divisors (see below), whose sum is σ = 1281384352. Its totient is φ = 961038252.

The previous prime is 1121211271. The next prime is 1121211313. The reversal of 1121211301 is 1031121211.

It is a happy number.

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 1121211301 - 211 = 1121209253 is a prime.

It is a super-2 number, since 2×11212113012 = 2514229562980225202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121211101) 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, 80086515 + ... + 80086528.

It is an arithmetic number, because the mean of its divisors is an integer number (320346088).

Almost surely, 21121211301 is an apocalyptic number.

It is an amenable number.

1121211301 is a deficient number, since it is larger than the sum of its proper divisors (160173051).

1121211301 is an equidigital number, since it uses as much as digits as its factorization.

1121211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160173050.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121211301 is about 33484.4934409944. The cubic root of 1121211301 is about 1038.8730707984.

Adding to 1121211301 its reverse (1031121211), we get a palindrome (2152332512).

The spelling of 1121211301 in words is "one billion, one hundred twenty-one million, two hundred eleven thousand, three hundred one".

Divisors: 1 7 160173043 1121211301