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2210001102121 = 109152411330309
BaseRepresentation
bin100000001010001110010…
…101001010010100101001
321211021101202222011102011
4200022032111022110221
5242202040240231441
64411132133235521
7315444613264141
oct40121625122451
97737352864364
102210001102121
1178229000a03a
122b8390a92ba1
1313052c868547
1478d70cdd921
153c74947b581
hex2028e54a529

2210001102121 has 8 divisors (see below), whose sum is σ = 2230424352200. Its totient is φ = 2189580543360.

The previous prime is 2210001102109. The next prime is 2210001102217. The reversal of 2210001102121 is 1212011000122.

It can be written as a sum of positive squares in 4 ways, for example, as 1597162636521 + 612838465600 = 1263789^2 + 782840^2 .

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 2210001102121 - 217 = 2210000971049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210001105121) 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, 996115 + ... + 2326423.

It is an arithmetic number, because the mean of its divisors is an integer number (278803044025).

Almost surely, 22210001102121 is an apocalyptic number.

It is an amenable number.

2210001102121 is a deficient number, since it is larger than the sum of its proper divisors (20423250079).

2210001102121 is a wasteful number, since it uses less digits than its factorization.

2210001102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345659.

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

Adding to 2210001102121 its reverse (1212011000122), we get a palindrome (3422012102243).

The spelling of 2210001102121 in words is "two trillion, two hundred ten billion, one million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 109 15241 1330309 1661269 145003681 20275239469 2210001102121