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11121012201 = 313285154159
BaseRepresentation
bin10100101101101110…
…10010110111101001
31001201001010221202210
422112313102313221
5140233434342301
65035305515333
7542406021045
oct122667226751
931631127683
1011121012201
114797581082
1221a44a2b49
1310830171c0
14776db1025
154514e4ad6
hex296dd2de9

11121012201 has 8 divisors (see below), whose sum is σ = 15968632960. Its totient is φ = 6843699792.

The previous prime is 11121012169. The next prime is 11121012211. The reversal of 11121012201 is 10221012111.

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

It is not a de Polignac number, because 11121012201 - 25 = 11121012169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121012211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142577041 + ... + 142577118.

It is an arithmetic number, because the mean of its divisors is an integer number (1996079120).

Almost surely, 211121012201 is an apocalyptic number.

It is an amenable number.

11121012201 is a deficient number, since it is larger than the sum of its proper divisors (4847620759).

11121012201 is a wasteful number, since it uses less digits than its factorization.

11121012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285154175.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11121012201 its reverse (10221012111), we get a palindrome (21342024312).

The spelling of 11121012201 in words is "eleven billion, one hundred twenty-one million, twelve thousand, two hundred one".

Divisors: 1 3 13 39 285154159 855462477 3707004067 11121012201