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2011211101012 = 223172353224171
BaseRepresentation
bin11101010001000101100…
…001011111001101010100
321010021021202111210100111
4131101011201133031110
5230422430020213022
64135534305452404
7265206454201531
oct35210541371524
97107252453314
102011211101012
11705a4a263a23
12285952641104
1311786c131a59
146d4b37d1d88
15374b236a477
hex1d44585f354

2011211101012 has 24 divisors (see below), whose sum is σ = 3633221958912. Its totient is φ = 973148870400.

The previous prime is 2011211100961. The next prime is 2011211101027. The reversal of 2011211101012 is 2101011121102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011211100983 and 2011211101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8859687 + ... + 9083857.

It is an arithmetic number, because the mean of its divisors is an integer number (151384248288).

Almost surely, 22011211101012 is an apocalyptic number.

It is an amenable number.

2011211101012 is a deficient number, since it is larger than the sum of its proper divisors (1622010857900).

2011211101012 is a wasteful number, since it uses less digits than its factorization.

2011211101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296559 (or 296557 counting only the distinct ones).

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

Adding to 2011211101012 its reverse (2101011121102), we get a palindrome (4112222222114).

The spelling of 2011211101012 in words is "two trillion, eleven billion, two hundred eleven million, one hundred one thousand, twelve".

Divisors: 1 2 4 31 62 124 72353 144706 224171 289412 448342 896684 2242943 4485886 6949301 8971772 13898602 27797204 16219444363 32438888726 64877777452 502802775253 1005605550506 2011211101012