Search a number
-
+
2022220212121 = 10098807227567
BaseRepresentation
bin11101011011010101101…
…101111010011110011001
321011022201000002120200101
4131123111231322132121
5231113001333241441
64144554541135401
7266046334122424
oct35332555723631
97138630076611
102022220212121
1170a68965505a
12287b0555a561
13118904bc9495
146dc399949bb
1537908b09231
hex1d6d5b7a799

2022220212121 has 8 divisors (see below), whose sum is σ = 2024463133440. Its totient is φ = 2019977765568.

The previous prime is 2022220212119. The next prime is 2022220212197. The reversal of 2022220212121 is 1212120222202.

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 2022220212121 - 21 = 2022220212119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022224212121) 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, 8772480 + ... + 9000046.

It is an arithmetic number, because the mean of its divisors is an integer number (253057891680).

Almost surely, 22022220212121 is an apocalyptic number.

It is an amenable number.

2022220212121 is a deficient number, since it is larger than the sum of its proper divisors (2242921319).

2022220212121 is a wasteful number, since it uses less digits than its factorization.

2022220212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237383.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2022220212121 its reverse (1212120222202), we get a palindrome (3234340434323).

The spelling of 2022220212121 in words is "two trillion, twenty-two billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-one".

Divisors: 1 1009 8807 227567 8886263 229615103 2004182569 2022220212121