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11012020211101 = 721317287315873
BaseRepresentation
bin1010000000111110111110…
…0011011000110110011101
31102222201221121210200002011
42200033233203120312131
52420410104133223401
635230504030231221
72214410061245500
oct240175743306635
942881847720064
1011012020211101
113566198365478
12129a253355511
1361b5768140c0
142a0dadb35137
151416ababd451
hexa03ef8d8d9d

11012020211101 has 12 divisors (see below), whose sum is σ = 13795278067452. Its totient is φ = 8712807199488.

The previous prime is 11012020211047. The next prime is 11012020211167. The reversal of 11012020211101 is 10111202021011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2979041480100 + 8032978731001 = 1725990^2 + 2834251^2 .

It is not a de Polignac number, because 11012020211101 - 27 = 11012020210973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012020211701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8643657300 + ... + 8643658573.

It is an arithmetic number, because the mean of its divisors is an integer number (1149606505621).

Almost surely, 211012020211101 is an apocalyptic number.

It is an amenable number.

11012020211101 is a deficient number, since it is larger than the sum of its proper divisors (2783257856351).

11012020211101 is a wasteful number, since it uses less digits than its factorization.

11012020211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17287315900 (or 17287315893 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11012020211101 its reverse (10111202021011), we get a palindrome (21123222232112).

The spelling of 11012020211101 in words is "eleven trillion, twelve billion, twenty million, two hundred eleven thousand, one hundred one".

Divisors: 1 7 13 49 91 637 17287315873 121011211111 224735106349 847078477777 1573145744443 11012020211101