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221112020010101 = 1176692621083939
BaseRepresentation
bin110010010001100110100111…
…011010001000010001110101
31001222220002202211221010000012
4302101212213122020101311
5212440144404110310401
62102133243143430005
764400546660431253
oct6221464732102165
91058802684833005
10221112020010101
11644a9098a0a920
1220970ba8155305
13964ba0a69a59c
143c85c438955d3
151a8696ec9a8bb
hexc919a7688475

221112020010101 has 8 divisors (see below), whose sum is σ = 241244565837600. Its totient is φ = 200984716365840.

The previous prime is 221112020010067. The next prime is 221112020010109. The reversal of 221112020010101 is 101010020211122.

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

It is not a de Polignac number, because 221112020010101 - 214 = 221112019993717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112020010109) 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, 1310457611 + ... + 1310626328.

It is an arithmetic number, because the mean of its divisors is an integer number (30155570729700).

Almost surely, 2221112020010101 is an apocalyptic number.

It is an amenable number.

221112020010101 is a deficient number, since it is larger than the sum of its proper divisors (20132545827499).

221112020010101 is a wasteful number, since it uses less digits than its factorization.

221112020010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621091619.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221112020010101 its reverse (101010020211122), we get a palindrome (322122040221223).

The spelling of 221112020010101 in words is "two hundred twenty-one trillion, one hundred twelve billion, twenty million, ten thousand, one hundred one".

Divisors: 1 11 7669 84359 2621083939 28831923329 20101092728191 221112020010101