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2201011102021 = 7512930773771
BaseRepresentation
bin100000000001110110011…
…111000010000101000101
321210102012020200211200111
4200001312133002011011
5242030132320231041
64403044110313021
7315006051452254
oct40016637020505
97712166624614
102201011102021
11779497428996
122b66a21b8771
1312c7291a9a64
147875ad6c79b
153c3c00c7981
hex200767c2145

2201011102021 has 4 divisors (see below), whose sum is σ = 2203941876544. Its totient is φ = 2198080327500.

The previous prime is 2201011102013. The next prime is 2201011102109. The reversal of 2201011102021 is 1202011101022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201011102021 - 23 = 2201011102013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201011101992 and 2201011102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201011102421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465386135 + ... + 1465387636.

It is an arithmetic number, because the mean of its divisors is an integer number (550985469136).

Almost surely, 22201011102021 is an apocalyptic number.

It is an amenable number.

2201011102021 is a deficient number, since it is larger than the sum of its proper divisors (2930774523).

2201011102021 is an equidigital number, since it uses as much as digits as its factorization.

2201011102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930774522.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201011102021 its reverse (1202011101022), we get a palindrome (3403022203043).

Subtracting from 2201011102021 its reverse (1202011101022), we obtain a palindrome (999000000999).

It can be divided in two parts, 2201011 and 102021, that added together give a palindrome (2303032).

The spelling of 2201011102021 in words is "two trillion, two hundred one billion, eleven million, one hundred two thousand, twenty-one".

Divisors: 1 751 2930773771 2201011102021