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221211020111113 = 3111363149020871
BaseRepresentation
bin110010010011000010110100…
…010001100010110100001001
31002000020120022100002022201001
4302103002310101202310021
5212443310132122023423
62102250534551255001
764410653203416334
oct6223026421426411
91060216270068631
10221211020111113
116453708099101a
122098821707a461
139658156ca6b06
143c8a955bd361b
151a89316323cad
hexc930b4462d09

221211020111113 has 8 divisors (see below), whose sum is σ = 230367628141056. Its totient is φ = 212180710123200.

The previous prime is 221211020111069. The next prime is 221211020111117. The reversal of 221211020111113 is 311111020112122.

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 221211020111113 - 233 = 221202430176521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221211020111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31574506933 + ... + 31574513938.

It is an arithmetic number, because the mean of its divisors is an integer number (28795953517632).

Almost surely, 2221211020111113 is an apocalyptic number.

It is an amenable number.

221211020111113 is a deficient number, since it is larger than the sum of its proper divisors (9156608029943).

221211020111113 is a wasteful number, since it uses less digits than its factorization.

221211020111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63149021015.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 221211020111113 its reverse (311111020112122), we get a palindrome (532322040223235).

The spelling of 221211020111113 in words is "two hundred twenty-one trillion, two hundred eleven billion, twenty million, one hundred eleven thousand, one hundred thirteen".

Divisors: 1 31 113 3503 63149020871 1957619647001 7135839358423 221211020111113