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2022012121021 = 4438815180887
BaseRepresentation
bin11101011011001001010…
…100000110111110111101
321011022011111112110100121
4131123021110012332331
5231112040100333041
64144522145054541
7266041226306014
oct35331124067675
97138144473317
102022012121021
1170a592146142
12287a67927451
131188a0a6b459
146dc1a0a7a7b
15378e57027d1
hex1d6c9506fbd

2022012121021 has 8 divisors (see below), whose sum is σ = 2028877187904. Its totient is φ = 2015157418560.

The previous prime is 2022012121009. The next prime is 2022012121069. The reversal of 2022012121021 is 1201212102202.

It is a happy number.

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 2022012121021 - 237 = 1884573167549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022012120986 and 2022012121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022012121321) 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, 2200161 + ... + 2980726.

It is an arithmetic number, because the mean of its divisors is an integer number (253609648488).

Almost surely, 22022012121021 is an apocalyptic number.

It is an amenable number.

2022012121021 is a deficient number, since it is larger than the sum of its proper divisors (6865066883).

2022012121021 is an equidigital number, since it uses as much as digits as its factorization.

2022012121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182211.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2022012121021 its reverse (1201212102202), we get a palindrome (3223224223223).

The spelling of 2022012121021 in words is "two trillion, twenty-two billion, twelve million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 443 881 390283 5180887 2295132941 4564361447 2022012121021