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1201113011211 = 3978039513439
BaseRepresentation
bin10001011110100111111…
…010100001010000001011
311020211021122000221022220
4101132213322201100023
5124134334412324321
62315441140145123
7152530462066461
oct21364772412013
94224248027286
101201113011211
11423430a88973
1217494a3981a3
1389359072a19
14421c4292831
152139c7919c6
hex117a7ea140b

1201113011211 has 16 divisors (see below), whose sum is σ = 1618198579200. Its totient is φ = 792386811648.

The previous prime is 1201113011191. The next prime is 1201113011269. The reversal of 1201113011211 is 1121103111021.

It is not a de Polignac number, because 1201113011211 - 210 = 1201113010187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201113011281) 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, 2082630 + ... + 2596068.

It is an arithmetic number, because the mean of its divisors is an integer number (101137411200).

Almost surely, 21201113011211 is an apocalyptic number.

1201113011211 is a deficient number, since it is larger than the sum of its proper divisors (417085567989).

1201113011211 is an equidigital number, since it uses as much as digits as its factorization.

1201113011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521578.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1201113011211 its reverse (1121103111021), we get a palindrome (2322216122232).

The spelling of 1201113011211 in words is "one trillion, two hundred one billion, one hundred thirteen million, eleven thousand, two hundred eleven".

Divisors: 1 3 97 291 8039 24117 513439 779783 1540317 2339349 49803583 149410749 4127536121 12382608363 400371003737 1201113011211