Search a number
-
+
2201220110121 = 3897181790217
BaseRepresentation
bin100000000010000010111…
…100010101011100101001
321210102201210222112220020
4200002002330111130221
5242031044322010441
64403120534151053
7315014200135314
oct40020274253451
97712653875806
102201220110121
1177959440385a
122b67401b2489
1312c7605992a6
147877aa1797b
153c3d3610e66
hex20082f15729

2201220110121 has 8 divisors (see below), whose sum is σ = 2935287343584. Its totient is φ = 1467316475040.

The previous prime is 2201220110119. The next prime is 2201220110143. The reversal of 2201220110121 is 1210110221022.

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

It is not a de Polignac number, because 2201220110121 - 21 = 2201220110119 is a prime.

It is a super-2 number, since 2×22012201101212 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201220110121.

It is not an unprimeable number, because it can be changed into a prime (2201220115121) 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, 40868196 + ... + 40922021.

It is an arithmetic number, because the mean of its divisors is an integer number (366910917948).

Almost surely, 22201220110121 is an apocalyptic number.

It is an amenable number.

2201220110121 is a deficient number, since it is larger than the sum of its proper divisors (734067233463).

2201220110121 is an equidigital number, since it uses as much as digits as its factorization.

2201220110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81799191.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201220110121 its reverse (1210110221022), we get a palindrome (3411330331143).

The spelling of 2201220110121 in words is "two trillion, two hundred one billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 3 8971 26913 81790217 245370651 733740036707 2201220110121