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2201113230121 = 13797212442161
BaseRepresentation
bin100000000001111100100…
…100100111101100101001
321210102110100212111002201
4200001330210213230221
5242030334441330441
64403102155300201
7315011431516651
oct40017444475451
97712410774081
102201113230121
1177953a043283
122b671044a661
1312c7443b70a0
147876a755361
153c3c904cc31
hex2007c927b29

2201113230121 has 8 divisors (see below), whose sum is σ = 2373403833864. Its totient is φ = 2029247512320.

The previous prime is 2201113230101. The next prime is 2201113230137. The reversal of 2201113230121 is 1210323111022.

It can be written as a sum of positive squares in 4 ways, for example, as 58885816896 + 2142227413225 = 242664^2 + 1463635^2 .

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 2201113230121 - 223 = 2201104841513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201113230101) 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, 106210720 + ... + 106231441.

It is an arithmetic number, because the mean of its divisors is an integer number (296675479233).

Almost surely, 22201113230121 is an apocalyptic number.

It is an amenable number.

2201113230121 is a deficient number, since it is larger than the sum of its proper divisors (172290603743).

2201113230121 is a wasteful number, since it uses less digits than its factorization.

2201113230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212442971.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2201113230121 its reverse (1210323111022), we get a palindrome (3411436341143).

The spelling of 2201113230121 in words is "two trillion, two hundred one billion, one hundred thirteen million, two hundred thirty thousand, one hundred twenty-one".

Divisors: 1 13 797 10361 212442161 2761748093 169316402317 2201113230121