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2022133121 = 19106428059
BaseRepresentation
bin111100010000111…
…0100110110000001
312012221000000011022
41320201310312001
513120131224441
6532353155225
7101052563561
oct17041646601
95187000138
102022133121
119484945a8
1248525bb15
13262c26698
141527bada1
15bc7d584b
hex78874d81

2022133121 has 4 divisors (see below), whose sum is σ = 2128561200. Its totient is φ = 1915705044.

The previous prime is 2022133117. The next prime is 2022133147. The reversal of 2022133121 is 1213312202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2022133121 - 22 = 2022133117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2022133121.

It is not an unprimeable number, because it can be changed into a prime (2022133111) 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, 53214011 + ... + 53214048.

It is an arithmetic number, because the mean of its divisors is an integer number (532140300).

Almost surely, 22022133121 is an apocalyptic number.

It is an amenable number.

2022133121 is a deficient number, since it is larger than the sum of its proper divisors (106428079).

2022133121 is a wasteful number, since it uses less digits than its factorization.

2022133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106428078.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2022133121 is about 44968.1345065592. The cubic root of 2022133121 is about 1264.5516741521.

Adding to 2022133121 its reverse (1213312202), we get a palindrome (3235445323).

The spelling of 2022133121 in words is "two billion, twenty-two million, one hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 19 106428059 2022133121