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1210030121311 = 11431255226771
BaseRepresentation
bin10001100110111011011…
…010100110000101011111
311021200022002011001202221
4101212323122212011133
5124311120202340221
62323514040530211
7153264450220144
oct21467332460537
94250262131687
101210030121311
11427197504750
12176618780967
138a14a5c042b
14427cc68c3cb
1521720548541
hex119bb6a615f

1210030121311 has 8 divisors (see below), whose sum is σ = 1323095586048. Its totient is φ = 1097475111000.

The previous prime is 1210030121303. The next prime is 1210030121323. The reversal of 1210030121311 is 1131210300121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1210030121311 - 23 = 1210030121303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210030121611) 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 7 ways as a sum of consecutive naturals, for example, 127608645 + ... + 127618126.

It is an arithmetic number, because the mean of its divisors is an integer number (165386948256).

Almost surely, 21210030121311 is an apocalyptic number.

1210030121311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210030121311 is a deficient number, since it is larger than the sum of its proper divisors (113065464737).

1210030121311 is a wasteful number, since it uses less digits than its factorization.

1210030121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255227213.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1210030121311 its reverse (1131210300121), we get a palindrome (2341240421432).

The spelling of 1210030121311 in words is "one trillion, two hundred ten billion, thirty million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 11 431 4741 255226771 2807494481 110002738301 1210030121311