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2220130121131 = 13170779240087
BaseRepresentation
bin100000010011101010000…
…100010011010110101011
321212020112200111122100101
4200103222010103112223
5242333311302334011
64415525205250231
7316253615442616
oct40235204232653
97766480448311
102220130121131
11786608635a2a
122ba339103977
131314851b9b10
147965224917d
153cb3d8222c1
hex204ea1135ab

2220130121131 has 4 divisors (see below), whose sum is σ = 2390909361232. Its totient is φ = 2049350881032.

The previous prime is 2220130121129. The next prime is 2220130121137. The reversal of 2220130121131 is 1311210310222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2220130121131 - 21 = 2220130121129 is a prime.

It is a super-2 number, since 2×22201301211312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220130121099 and 2220130121108.

It is not an unprimeable number, because it can be changed into a prime (2220130121137) 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, 85389620031 + ... + 85389620056.

It is an arithmetic number, because the mean of its divisors is an integer number (597727340308).

Almost surely, 22220130121131 is an apocalyptic number.

2220130121131 is a deficient number, since it is larger than the sum of its proper divisors (170779240101).

2220130121131 is a wasteful number, since it uses less digits than its factorization.

2220130121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170779240100.

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

Adding to 2220130121131 its reverse (1311210310222), we get a palindrome (3531340431353).

The spelling of 2220130121131 in words is "two trillion, two hundred twenty billion, one hundred thirty million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 13 170779240087 2220130121131